Kèo nhà cái 5ʶûˣҲֻͣ¿ѾãҪó¹æɫḻһ¾ˣΪʵʱֻҪŪһܣʣµ飬ȥˣֻ˳֣ϵĻľͽƻһḻˡ갰Ը߸߾ֽ˿УǰɱʬҰDZӵݽʿ·һؿһ㣬һ̣Χʿޡ߿дſ־Ŀ⣬֪Ŀʲôˡ˳һĨϲɫӪ
³ãɱѾʱѾ죬æۼýʿãԶԶأĿͻп³ãϳݡһѪȺһIJҽк˻ܼȺͬһ㣬ʮԲľһմɽԭɲǼͬһˮ
ɲ´ˡЦҡͷµչҪļǮѱһգǴҲһճǡûǷɵĺȣ˰̧һʯʱڿûΣǻʵϳҲǹܲЩһЩʽϣʱ䶼Ҷţ˿̴ʯϣǹŴǷɣҲֹֻǽζĿţʱкüãƥͷ
УͻȻһů⣬̾˿ǰֽ𡣵ڰ թȣȻ֮飬ıҵ̣ѫŭһų죬ŭ˵˶