| 单词 | brake drum |
| 释义 | brake drum【机】 煞车鼓 brake drum brake drum n.（名词）A metal cylinder to which pressure is applied by a braking mechanism in order to arrest rotation of the wheel or shaft to which the cylinder is attached.制动器，闸：金属圆柱体，通过制动机制加压于其上以制止与该柱相连轮子或轴的转动 |
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