Tỷ lệ kèo nhà cáiݶ˹˹籨ʱ21˹ͳվӡĪ߶º˵()Ĺ˷dzеϵúһжǵĺϵﵽ˷dzߵսˮƽȫɻƷɿ1331˰ɻĿɿΪȫ˰δʹ
ʦôŮʿȻԸ⸶ġǮһǼִѧҽѧǰǴڽ켽İѧУʮ˼žѧУ1951Ϊһҽ1978Ϊҽƴѧ2000ʱϲΪ¼ִѧΪҽѧڱְ8276ƸԱ7934ٶоҲﵽԼ9000
һ֪ġӡ̫ϵԵ/ֹ(A2/AD)Ϊвͱй½սըDZͧķչйжԽԽƺս2015°桶21ͺսԡȫ롱ζѾA2/ADǸսвҪսԻӦ
ǧһ֢ڹ滮˳صشƽԭӵ۰۰滮ڶһʵʶ֮ϿչƹóǵϵƽԭЭͬչûпհճĹ滮ֻпͲĹ滮˼ЩðױƷӰɹ˪ü覸ȶðʫ֮ݵ֪Ʒ20