bridge framing桥式: bridge type犁架: plow frame桥式: bridge type◇桥式吊车 gauntree; gantry crane; 桥式起重机 bridge crane; overhead travelling crane犁架高度: beam clearance; throat of plow; underframe clearance犁架挂钩: swanneck下载手机词典可随时随地查词查翻译