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uploads/bascule.jpg

bascule n.【建筑】(豎旋橋的)活動桁架。

bascule bridge

Analysis and improvement on the plunger lever ' s slip from the oil cylinder of the bascule door ' s actuator on 100t landing craft 100噸登陸艇吊門傳動裝置油缸柱塞桿滑脫的分析與改進