Tỷ lệ kèo nhà cái¾ţʵ߹һž䣬һִŹεļм֮λ㣬ʲôͳתʱϵĵսϣž£ҹӪŮӣɬЦһʧŤͷԾͻ
ͷذܣıʱͷ㲻̫ܰܵ졣ӪֻͼڼΧһŵͼǰ~
ڵ֮λ˵Դ¾ԣȣԣ¾ס˼ȳͥ˥һٹʱֻͥɮʽʵܵĽѾܿǡԼЩŮѰɫѾѶģÿУָоμ棬żȻһŮ뿪ķղǶݵĿ⽻оŮЩŮҲĿ⡣
˵ȥһֻ̣ǽū˴Ԫˣһ̣ȴdzūںͳελҡͬʱҲ˵ĵλްθߣȻū˵ıȻƾһսЩƾѾٲٱū˵ѹơл֣صĵ˵ͷȸԸͥšڵ˵ͷŤͷAЦ˼ɱӦ̰ǡɱƾǣӦǻۣɱֳ֣֮ǷޱӦ̍ϣܲԭˣ֣ʤԻޱ֮ܲʤޱǷޱ֮Ʊɣʱ