Kèo nhà cái 5ȻҪģ·£Ǿ͵ģµУ˵࣬ǷµϢСˣɸݴСѣݣսͳƣ֮һݱ褷ٻ٣Ȼ֮ƺк֪ܶ࣬ЩݣҪĸǰս¼ѣҲѷʤ֮ҪʾݣѾ֧־սܶܣ
~˷ܵشӪ˳ǽȻÿԴǾʹϵ´ĻᡣָŲܲٵĴӪЦһΣǴУ
³ܲɽˣʵϣȻˣʵϣսϣҲֻвܲĴԭȻ˵ѾʼﱸӣʱڣȻ谣ҪԸںеıڽʿңǾʹҡźˡﻰʱܲЦֱۣЦƳ겻Ʊ֮ո࣬˲ֱӰŶܲǰǰľӣͬ걳һ㣬ڹ걳֮£ĸľ֧ľǣľײװľ֣ԼоͬʱľڻһǹԸͨһοͨǰ·һľᴩľǣǰ⣬ȻӦײõģҲҪ̫
ʲôŷԣֱ㲻˵һʧ𣿡ŷɻûü˵㱻ϵļIJò˳ӣ˿ܣŷԼĸȴ˴ӲɱȥȸҽЩŻĻ쵰ɵǰл³ܲɽˣʵϣȻˣʵϣսϣҲֻвܲĴԭȻ˵ѾʼﱸӣʱڣȻ谣ҪԸںеıڽʿңǾʹҡźˡ