Tỷ lệ kèo nhà cái;һխͻȻıһÿ죬һԼǰİնϣŤͷȥȴٽʿԵɽͻȻֲٽӰһЩĽʴЦڹڴ˵Ⱥʱˣ˵˵û˵˷һѿˮڴʼڼȫһ۵ģһijѧɵʦЩˣڼܵһԺӶùϺһ磬Ȼѡı߶Ƥiظһ֧֧ܿȴֱɳĦȻĿظУ˼ĵԲ۾κӡ
һʱһʱҲȥƵ֮⼸գ̫ʷȴһѴꪣȻԼ˳֣û˹𣬴˿̾ݾУҲû˳ӪǰӪսһߣ֪ɳĦϢ֮ҲЩпԴ̬ϣʵЩҴûʲô𣬻û˿пҲֻǸпһ֧ɽսڻҶѡյǵϵۿڣȻвٹֱȴѾ뽵Ѿƿأ½ѷЩʿһĨâ
ֻ֮ܰյĿ̫ʷǣʿս¹Һ˧졣ŷһΣ˰ǧǧҹõļӺٶܣģһΣκٸҴ֧һҪÿŶԷѾʼʳԼIJӣŷҧҧƺһһìκӵĴ漴һì̶ֱԷţκDZĶ㿪һЩŷɳûתͷɰìȺص֮ͬ˷ֲһ㣬ǿȺɱһͨ
֪Է뷨һҡͷ߶ԷˣֻսʿǺúûô뷨ֻЧ˵Ļȷƣãʱ䣬سǵĽʿʼմһ־״̬Ѿ£ʱϿЩǿڼҡҡͷ