Tỷ lệ kèo nhà cái塭䡭ͷԣֻһתһƨڵϣдŲ˼ɫظ仰һʱ䣬ЩˡܲûоܾȴҲûͬ⣬ǽתλͬʱȴ֪Ϊ£ȺˣһСУѾɱǣʵ
ͻأֵļأֱӹᴩĪͷԴϵôϷ˵ŹǹҲ˰֮ģܲԣȻŭĩȥȡĹͷūͣ£ЩţȺɱʱԱߵĶͻȻһѾʯ·Ȼ̧ͷɽϣһӾʿ̫Զȴܿɽͷ𣬽ţЩڿն緱ǵ㣬䵽ϵţȺ֮С
²غҾսɰܣغΣɶϷڼü߰ɣ˵ûȨͷһDzþƺţŮźţ͵æ͵ˡӶվϵijͷŶµʱͥһĨȣࡢȥĹһܹ£һ죬ҪʱٴθϻĮϹˡʮڿϿк˾ЩҪ͵ϮļһһӭͷʹϿӣȻ˴¾ij·ȴҲͬͥı赲Ͽ֮⣬ô¾ʱû˺֮ǣȫȥԸС
ȥɡҲپ˵Ļ˻ֵ˭ԣŭȸˬ壬ƽͥżߵţ˿Ųȸ֮飬ܿDZģߡɱˣ̣ɱūͨϽɲ̣ͬʱԸսɱУֻҪɱʮоһо죬ɽΪˡ