桁架的優(yōu)點是桿件主要承受拉力或壓力，可以充分發(fā)揮材料的作用，節(jié)約材料，減輕結構重量。常用的有鋼桁架、鋼筋混凝土桁架、預應力混凝土桁架、木桁架、鋼與木組合桁架、鋼與混凝土組合桁架。
規(guī)格：0.8米/1M/1.2M/1.6M/1M/2M 界面25CMX25CM接受訂做。
桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭桁架無頭
