Chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf l\u00e0 bao nhi\u00eau cm? Nh\u1eefng th\u00f4ng s\u1ed1 li\u00ean quan t\u1edbi tr\u1ee5 b\u00f3ng r\u1ed5<\/a>, c\u1ed9t b\u00f3ng r\u1ed5<\/a>, r\u1ed5 b\u00f3ng r\u1ed5 s\u1ebd \u0111\u01b0\u1ee3c unicef2014appeal g\u1eedi t\u1edbi b\u1ea1n chi ti\u1ebft qua n\u1ed9i dung b\u00e0i vi\u1ebft sau. Hy v\u1ecdng nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd l\u00e0 h\u1eefu \u00edch v\u1edbi b\u1ea1n trong vi\u1ec7c t\u1eadp luy\u1ec7n b\u1ed9 m\u00f4n b\u00f3ng r\u1ed5 n\u00e0y.<\/i><\/p>\n R\u1ed5 b\u00f3ng r\u1ed5 l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a tr\u00f2 ch\u01a1i b\u00f3ng r\u1ed5, \u0111\u01b0\u1ee3c treo l\u00ean m\u1ed9t c\u1ed9t ch\u1eafc ch\u1eafn v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ghi \u0111i\u1ec3m trong tr\u00f2 ch\u01a1i. R\u1ed5 b\u00f3ng r\u1ed5 bao g\u1ed3m m\u1ed9t v\u00f2ng h\u00ecnh tr\u00f2n c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 45cm \u0111\u1ebfn 46cm, \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i ho\u1eb7c nh\u1ef1a v\u00e0 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o m\u1ed9t l\u1ed7 h\u00ecnh vu\u00f4ng tr\u00ean t\u1ea5m v\u00e1n g\u1ed7 ho\u1eb7c nh\u1ef1a. Chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ea7n \u0111\u01b0\u1ee3c l\u01b0u \u00fd.<\/p>\n R\u1ed5 b\u00f3ng r\u1ed5 \u0111\u01b0\u1ee3c treo l\u00ean m\u1ed9t c\u1ed9t cao v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u1ed9 cao 3,05m so v\u1edbi m\u1eb7t s\u00e2n. R\u1ed5 b\u00f3ng r\u1ed5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ee9a qu\u1ea3 b\u00f3ng r\u1ed5 khi ng\u01b0\u1eddi ch\u01a1i \u0111\u01b0a b\u00f3ng v\u00e0o trong r\u1ed5 \u0111\u1ec3 ghi \u0111i\u1ec3m. Khi qu\u1ea3 b\u00f3ng r\u1ed5 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o r\u1ed5, \u0111i\u1ec3m s\u1ed1 s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean v\u1ecb tr\u00ed c\u1ee7a ng\u01b0\u1eddi ch\u01a1i v\u00e0 qu\u1ea3 b\u00f3ng. Chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 t\u00e1c \u0111\u1ed9ng t\u1edbi b\u00e0n th\u1eafng.<\/p>\n R\u1ed5 b\u00f3ng r\u1ed5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong tr\u00f2 ch\u01a1i b\u00f3ng r\u1ed5 \u1edf m\u1ecdi c\u1ea5p \u0111\u1ed9 t\u1eeb tr\u1ebb em \u0111\u1ebfn c\u00e1c gi\u1ea3i \u0111\u1ea5u chuy\u00ean nghi\u1ec7p. R\u1ed5 b\u00f3ng r\u1ed5 hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i (v\u1edbi v\u00f2ng r\u1ed5) v\u00e0 c\u00f3 t\u00ednh n\u0103ng gi\u1ea3m ch\u1ea5n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u ti\u1ebfng \u1ed3n khi qu\u1ea3 b\u00f3ng r\u1ed5 va ch\u1ea1m v\u00e0o r\u1ed5. Chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 lu\u00f4n \u0111\u01b0\u1ee3c v\u0111v quan t\u00e2m.<\/p>\n Theo quy \u0111\u1ecbnh ch\u00ednh th\u1ee9c \u0111\u1ebfn t\u1eeb Li\u00ean \u0111o\u00e0n B\u00f3ng r\u1ed5 Qu\u1ed1c t\u1ebf (FIBA), chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 l\u00e0 3,05m (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 10 feet) so v\u1edbi m\u1eb7t s\u00e2n. \u0110\u00e2y l\u00e0 chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 chu\u1ea9n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u1ea3 nam v\u00e0 n\u1eef trong c\u00e1c gi\u1ea3i \u0111\u1ea5u b\u00f3ng r\u1ed5 chuy\u00ean nghi\u1ec7p v\u00e0 gi\u1ea3i \u0111\u1ea5u qu\u1ed1c t\u1ebf.<\/p>\n Tuy nhi\u00ean, chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u00f9y theo \u0111\u1ed9 tu\u1ed5i v\u00e0 chi\u1ec1u cao c\u1ee7a ng\u01b0\u1eddi ch\u01a1i trong c\u00e1c gi\u1ea3i \u0111\u1ea5u b\u00f3ng r\u1ed5 cho tr\u1ebb em ho\u1eb7c tr\u00ean c\u00e1c s\u00e2n ch\u01a1i.<\/p>\n Kh\u00e1c v\u1edbi chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5, FIBA \u0111\u00e3 quy \u0111\u1ecbnh, \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a r\u1ed5 b\u00f3ng r\u1ed5 ph\u1ea3i \u0111\u1ea1t \u0111\u1ed9 l\u1edbn l\u00e0 45cm. \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n \u0111\u00e3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong lu\u1eadt.<\/p>\n D\u1eabu v\u1eady, c\u00e1c \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t c\u0169ng c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t r\u1ed5 b\u00f3ng r\u1ed5 v\u1edbi k\u00edch th\u01b0\u1edbc kh\u00e1c nhau t\u00f9y v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi ch\u01a1i. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh c\u1ee7a FIBA, k\u00edch th\u01b0\u1edbc r\u1ed5 b\u00f3ng r\u1ed5 c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 \u0111\u00fang theo quy \u0111\u1ecbnh c\u1ee7a li\u00ean \u0111o\u00e0n n\u00e0y.<\/p>\n R\u1ed5 b\u00f3ng r\u1ed5 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau, t\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, t\u00ednh n\u0103ng v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Tuy nhi\u00ean, trong c\u00e1c gi\u1ea3i \u0111\u1ea5u b\u00f3ng r\u1ed5 chuy\u00ean nghi\u1ec7p v\u00e0 theo quy \u0111\u1ecbnh c\u1ee7a Li\u00ean \u0111o\u00e0n B\u00f3ng r\u1ed5 Qu\u1ed1c t\u1ebf (FIBA), r\u1ed5 b\u00f3ng r\u1ed5 ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u b\u1ec1n v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u00ednh n\u0103ng v\u00e0 an to\u00e0n. V\u1eadt li\u1ec7u kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5.<\/p>\n M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t r\u1ed5 b\u00f3ng r\u1ed5 bao g\u1ed3m:<\/p>\n H\u00ecnh d\u00e1ng c\u1ee7a r\u1ed5 b\u00f3ng r\u1ed5 l\u00e0 m\u1ed9t v\u00f2ng tr\u00f2n ho\u1eb7c h\u00ecnh tr\u00f2n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t c\u00e1i gi\u1ecf, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh c\u1ee7a Li\u00ean \u0111o\u00e0n B\u00f3ng r\u1ed5 Qu\u1ed1c t\u1ebf (FIBA). H\u00ecnh d\u00e1ng l\u00e0m cho chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 c\u1ea3m gi\u00e1c cao, ho\u1eb7c th\u1ea5p h\u01a1n.<\/p>\n H\u00ecnh d\u00e1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a r\u1ed5 b\u00f3ng r\u1ed5 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh c\u00f4ng b\u1eb1ng trong tr\u00f2 ch\u01a1i v\u00e0 gi\u00fap \u0111\u00e1nh gi\u00e1 k\u1ef9 n\u0103ng c\u1ee7a ng\u01b0\u1eddi ch\u01a1i. Trong c\u00e1c gi\u1ea3i \u0111\u1ea5u b\u00f3ng r\u1ed5 chuy\u00ean nghi\u1ec7p, r\u1ed5 b\u00f3ng r\u1ed5 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh ch\u1eb7t ch\u1ebd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh c\u00f4ng b\u1eb1ng v\u00e0 an to\u00e0n cho ng\u01b0\u1eddi ch\u01a1i.<\/p>\n Thi\u1ebft k\u1ebf c\u1ee7a r\u1ed5 b\u00f3ng r\u1ed5 ph\u1ea3i \u0111\u1ea3m b\u1ea3o t\u00ednh an to\u00e0n v\u00e0 t\u00ednh n\u0103ng trong tr\u00f2 ch\u01a1i b\u00f3ng r\u1ed5. Thi\u1ebft k\u1ebf \u1ea3nh h\u01b0\u1edfng t\u1edbi chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5. <\/p>\n Theo quy \u0111\u1ecbnh \u0111\u1ebfn t\u1eeb FIBA, m\u00e0u s\u1eafc ch\u00ednh th\u1ee9c c\u1ee7a r\u1ed5 b\u00f3ng r\u1ed5 l\u00e0 m\u00e0u cam ho\u1eb7c m\u00e0u tr\u1eafng. M\u00e0u s\u1eafc kh\u00f4ng l\u00e0m thay \u0111\u1ed5i chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5. V\u1edbi m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t, r\u1ed5 b\u00f3ng r\u1ed5 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u01a1n v\u1edbi c\u00e1c m\u00e0u kh\u00e1c \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u00e0u s\u1eafc c\u1ee7a s\u00e2n ch\u01a1i ho\u1eb7c phong c\u00e1ch thi\u1ebft k\u1ebf c\u1ee7a gi\u1ea3i \u0111\u1ea5u.<\/p>\n M\u00e0u cam \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho r\u1ed5 b\u00f3ng r\u1ed5 v\u00ec \u0111\u00e2y l\u00e0 m\u00e0u s\u1eafc t\u01b0\u01a1ng ph\u1ea3n v\u1edbi m\u00e0u xanh l\u00e1 c\u00e2y c\u1ee7a s\u00e2n b\u00f3ng r\u1ed5<\/a>. M\u00e0u cam c\u0169ng \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh hi\u1ec3n th\u1ecb v\u00e0 t\u00ednh n\u1ed5i b\u1eadt c\u1ee7a r\u1ed5 b\u00f3ng r\u1ed5 tr\u00ean s\u00e2n ch\u01a1i.<\/p>\n Trong c\u00e1c gi\u1ea3i \u0111\u1ea5u chuy\u00ean nghi\u1ec7p, r\u1ed5 b\u00f3ng r\u1ed5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u01a1n m\u00e0u cam \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a r\u1ed5 tr\u00ean to\u00e0n b\u1ed9 gi\u1ea3i \u0111\u1ea5u. Tuy nhi\u00ean, trong c\u00e1c gi\u1ea3i \u0111\u1ea5u th\u1ec3 thao kh\u00e1c ho\u1eb7c tr\u00ean c\u00e1c s\u00e2n ch\u01a1i t\u1ea1i nh\u00e0, r\u1ed5 b\u00f3ng r\u1ed5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u01a1n v\u1edbi c\u00e1c m\u00e0u s\u1eafc kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi phong c\u00e1ch thi\u1ebft k\u1ebf c\u1ee7a s\u00e2n ch\u01a1i ho\u1eb7c s\u1edf th\u00edch c\u1ee7a ng\u01b0\u1eddi ch\u01a1i.<\/p>\n K\u00edch th\u01b0\u1edbc c\u1ee7a tr\u1ee5 b\u00f3ng r\u1ed5 ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a n\u00f3. Tuy nhi\u00ean k\u00edch th\u01b0\u1edbc c\u1ee7a tr\u1ee5 b\u00f3ng r\u1ed5 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau \u0111\u00e2y:<\/p>\n Ngo\u00e0i ra, tr\u1ee5 b\u00f3ng r\u1ed5 c\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c t\u00ednh n\u0103ng kh\u00e1c nh\u01b0 t\u00ednh n\u0103ng \u0111i\u1ec1u ch\u1ec9nh chi\u1ec1u cao, t\u00ednh n\u0103ng gi\u1ea3m ch\u1ea5n \u0111\u1ec3 gi\u1ea3m ti\u1ebfng \u1ed3n khi b\u00f3ng va ch\u1ea1m v\u00e0o tr\u1ee5, ho\u1eb7c t\u00ednh n\u0103ng g\u1eadp g\u1ecdn \u0111\u1ec3 d\u1ec5 d\u00e0ng di chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef.<\/p>\n Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin unicef2014appeal mu\u1ed1n g\u1eedi t\u1edbi b\u1ea1n v\u1ec1 chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5, k\u00edch th\u01b0\u1edbc tr\u1ee5 b\u00f3ng r\u1ed5. Nh\u1eefng chia s\u1ebb n\u00e0y hy v\u1ecdng \u0111\u00e3 gi\u00fap b\u1ea1n n\u1eafm r\u00f5 nh\u1eefng con s\u1ed1 ti\u00eau chu\u1ea9n v\u1ec1 chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5.<\/p>\n B\u00e0i vi\u1ebft li\u00ean quan<\/p>\n \n Chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf l\u00e0 bao nhi\u00eau? C\u00f9ng unicef2014appeal t\u00ecm hi\u1ec3u v\u1ec1 chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5, k\u00edch th\u01b0\u1edbc tr\u1ee5 b\u00f3ng r\u1ed5.<\/p>\n","protected":false},"author":1,"featured_media":1895,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1896","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":"","featured_image_urls":{"full":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/kich-thuoc-cot-bong-ro-3jpg.jpg",700,444,false],"thumbnail":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/kich-thuoc-cot-bong-ro-3jpg-150x150.jpg",150,150,true],"medium":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/kich-thuoc-cot-bong-ro-3jpg-300x190.jpg",300,190,true],"medium_large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/kich-thuoc-cot-bong-ro-3jpg.jpg",700,444,false],"large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/kich-thuoc-cot-bong-ro-3jpg.jpg",700,444,false],"1536x1536":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/kich-thuoc-cot-bong-ro-3jpg.jpg",700,444,false],"2048x2048":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/kich-thuoc-cot-bong-ro-3jpg.jpg",700,444,false]},"post_excerpt_stackable":" Chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf l\u00e0 bao nhi\u00eau? C\u00f9ng unicef2014appeal t\u00ecm hi\u1ec3u v\u1ec1 chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5, k\u00edch th\u01b0\u1edbc tr\u1ee5 b\u00f3ng r\u1ed5.<\/p>\n","category_list":"Blog<\/a>","author_info":{"name":"admin","url":"https:\/\/unicef2014appeal.org\/author\/admin\/"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/1896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/comments?post=1896"}],"version-history":[{"count":0,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/1896\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media\/1895"}],"wp:attachment":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media?parent=1896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/categories?post=1896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/tags?post=1896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}R\u1ed5 b\u00f3ng r\u1ed5 l\u00e0 g\u00ec?<\/h2>\n
Chi\u1ec1u cao r\u1ed5 b\u00f3ng r\u1ed5 ch\u00ednh th\u1ee9c l\u00e0 bao nhi\u00eau?<\/h2>\n
Ti\u00eau chu\u1ea9n r\u1ed5 b\u00f3ng r\u1ed5 qu\u1ed1c t\u1ebf<\/h2>\n
K\u00edch th\u01b0\u1edbc r\u1ed5 b\u00f3ng r\u1ed5<\/h3>\n
V\u1eadt li\u1ec7u r\u1ed5 b\u00f3ng r\u1ed5<\/h3>\n
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H\u00ecnh d\u00e1ng r\u1ed5 b\u00f3ng r\u1ed5<\/h3>\n
Thi\u1ebft k\u1ebf r\u1ed5 b\u00f3ng r\u1ed5<\/h3>\n
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M\u00e0u s\u1eafc r\u1ed5 b\u00f3ng r\u1ed5<\/h3>\n
K\u00edch th\u01b0\u1edbc tr\u1ee5 b\u00f3ng r\u1ed5<\/h2>\n
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