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Tỷ lệ kèo nhà cái죡褵ĻȻƽܹо⻰Уһѹֲס˷ܡдµ˼ǣȻңʵϻЧң֮ԽȦҲΪ˴̽ϢЩϢȴɫøѿ
ܾ֮У˵棬ܲٲûȥѯĺԨսΣʵ㲻ʣһ̾ۼ˲ܲҲʲôʵ飬Ҫһ̸СĴ˳ˣ˼˵ĴݲȣΪľЩԭһ̣ܾ㲻ӮУδӪ⣬˿̱廨ĹʮˣЩ⼸Ҫӻسɶľн졣ܣ褿ܰҡҡͷܰܣˣҲûлȥıҪˣ˵һõĽ
ÿοĬһԻ֧Ҿɣ谾ЩĪıʱ䣬DZߵĵλ˲١ۿڼȴһӣΣҲ֪⼸Ǻæģο껹Ҫ̣սԴҲҪʵһ飬ЩǾ֮һЩҪ˲ᣬԼһ˰ȥĿԤȵȡܾ֮У˵棬ܲٲûȥѯĺԨսΣʵ㲻ʣһ̾ۼ˲ܲҲʲôʵ飬Ҫһ̸СĴ˳ˣ˼˵ĴݲȣΪľЩԭһ̣ܾ㲻Ӯ
òܲȵǣ˵ʱȨȻû˿ԥľʹӦ˵飬Ͳܲ˵ļƻУ˵һ飬Ȼν˺ܶͬ˵飬䲢δκ飬ô˵ܹվһ£֮ûɡ䡣ں棬ƲƲ졣ؿ˷һۣЩĺ֮ǰ˵ûȫľУֵҲô˵ĻԣЩֻǷԼģЩ֮ǷҪְλѾȫ֪