Kèo nhà cái 5ڼü˿ڰҺĶ࣬ǿ²ͬ⡣ˣȫɱ漴ȻСûѡҲ˷ʱ䣬Ů˶ѣƯΣ
ǰѾҳһƬӣɫЩѾЩˡ˶٣ȴûлͷǰȥȻѾ˾ҲȰͿԼܹϣ߶ԶɡŶˣδ̽䡣Ц
Ե˵ͷЩʧ漴ҪξֻҪܹͶܾķϼɣ𣿡ţ²˳٣ȥĪҪҡ¹˵ţ֮д˼֡кβףκɻĿڴϼ۵Ӱɻ
ŲȴƽΪıһǰ̣ıһܹչԼŻĻᣬϧһеҪλȴâ̫¶˴ѹʵִ˲ֱϲڣĥȥǣòط棬Լĵ̺˵ʱſλҲˣԭĥˣһʼйʵǵıЩ֮ˣȡҲӴ⡣ͷ̍Խľˣ˧УܲȻЦӪжѹֵաֻ¾ʱôеģ˵һ֧ܣһȶĵ̣Ҫѵһ֧ѡ˵ѵ˵ҲҪһʱܳɾڿûһʱԼɣİ⺣ò˶ãܲٴԬ֮ٴδںǾ·