bascules

bascules

美 　英

• n.【建】(竖旋桥的)活动桁架
• 网络竖旋桥的双翼；开启桥；活动结构

词形变化

复数：bascules  

英汉解释

n.	1. 【建】(竖旋桥的)活动桁架

英英解释

n.	1. a counterbalanced device that pivots on a central axis so that the unweighted end rises as the weighted end is allowed to fall 2. a bridge with a roadway that can be raised to allow tall boats and ships to pass through

例句

Despite the complexity of the system, the bascules only took about a minute to raise to their maximum 86 degrees.

只需大约一分钟的时间，整个吊桥就能上升到其86度角的上限。

Nowadays, the bascules are still operated by hydraulic power, but since 1976 they have been driven by oil and electricity rather than steam.

现在，吊桥仍然在水压的控制下运作。但从1976年起，其驱动力已由原来的蒸汽变更成石油和电力。