Tỷ lệ kèo nhà cái˫ۣˮУ˫Լʯһӣһͷ㷢ٲ㴹ˮϣͦη˶һˮŶ¸壬ȴҲˣ˸棬˼صջǸܻԼŮˡǰֱжףгǹһתǹ˶ıݺݻ¡ٲ㲻Ϲ٣ֻλȴۺ죬ΪֻҪܵõϿɣδֻҪʲô;˵һ·̹;
ûˡңοһŮˣʲô£Ժ˵һŮƴѹֵĵͺУһ˸߹һ˵ijû˿ϧеֻԭʼij嶯ͷйȥϽһҪϽ£ΪҾ֮أʣµ飬ȱ֪ݺ˵վݺݵؿһۻιصķЩʵĵ
һЩȥһ̣͵˿ڸϡʩм˰ֱ˰ߣټϹ滮ǼҲҪǿפԸ㡣ȥɡδ뿪ףȻû壬ЩǼϡδػᰲֵĽ˵ѪȺɱ¾һǿӲ֮
ūһˬĴŮӳ·ЩƯȴDz˿ɫû˻ػɴŭһӪʣһŽڻõIJҴ·ӪǻҹӺһϢҲһЩοӺݻ궼Ǹյ꾰Ӻݣ˳ɫĽ߽˵ĵλʹ֮õĴ̼£Ūٺöһյĸ߶һ飬дӲԭӶţҲֽͨ·䣬ڳɹ