Tỷ lệ kèo nhà cái㡭ŭӷȴһȻĿYҲҺãǽΣҪɶµֻǰһڣͷȻǹƽһ˫ĿŭĿԲֻϧȴѾûϢѴɺܿߣƮ¥ü
ͳҪ˵ͻȻʶ̧ͷȥȴһ֧߸ٶȲ죬Ҳֻʮˣȴһǧڶƣ;ʶıÿ˷ܸë߰ʲô˷ܵģɣЩ˽ʿDzDZιʲôаҩŻЩ˲ij¼ȨȻҪΣ˵ãһЩֶΡЦ
ֻ˳ͳҡҡͷдӪ֮УѾвͶҾһֻסY
ͳɻĿͳȻҲͳһЩʷҲڳǶھ˵һ£ͳé®ȴΪ̫涼ûмǡھݺУΪͳŵȻ֪ôģȥ˲СĹҵڼʱʽЧƹҲǴʱʼӼңΪͳԭʼų⣬ƴǰ伣֪𣿡ĻУµվ¥ԶŽ棬ʵϳ˲ĻŸۿڵ˻ԶһЩĵطѾ˵ijµ䲻Ŀڽ¸һ谻ɷȮûܵõģңʹľʧյ³