名词
中文翻译：推杆
同义词：
['stroker', 'rod', 'lever']
例句：
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1.The pushrod is the part of themechanism that moves the piston up anddown.
推杆是机械中使活塞上下移动的部分。
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2. The engineer used a pushrod to adjust the tension in the wire.
工程师使用推杆来调整电线的张力。
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3. The pushrod was designed to preventthe engine from overheating.
推杆的设计是为了防止发动机过热。