中文翻译与英英解释

n.
【建筑】(竖旋桥的)活动桁架。

a structure or device in which one end is counterbalanced by the other (on the principle of the seesaw)

例句与用法

Analysis and improvement on the plunger lever ' s slip from the oil cylinder of the bascule door ' s actuator on 100t landing craft
100吨登陆艇吊门传动装置油缸柱塞杆滑脱的分析与改进