pivot bridge

开合桥... ... ) bascule bridge,folding bridge 仰开桥，开合桥 ) pivot bridge 旋开桥, 开合桥 ) pontoon swing bridge 开合浮桥 ...

开合桥... ... ) bascule bridge,folding bridge 仰开桥，开合桥 ) pivot bridge 旋开桥, 开合桥 ) pontoon swing bridge 开合浮桥 ...

翻译词典... ... shore-bridge n.靠岸栈桥 pivot bridge n.开合桥;n.中间支点的开合桥 centre bridge n.定心孔塞,定心块 ...