名词
中文翻译：倒置杆
同义词：
['reverse bar', 'inverted bar', 'reverse lever']
例句：
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1. The engineer used a reversing bar to help the car movebackwards.
工程师使用一个倒置杆帮助汽车倒退。
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2. In construction, a reversing bar is often used to support heavyloads during demolition.
在建筑中，倒置杆通常用于支撑重物以便于拆除。
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3. The car's brakesystem uses a reversing bar toslow down the vehicle when necessary.
汽车的刹车系统使用倒置杆来在必要时减缓车辆速度。