名词
中文翻译：推杆
同义词：
['pusher', 'propeller例句：1. The engineer was pushing the valve to open.（工程师正在推动阀门打开。）']
例句：
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1. The engineer was pushing the valve to open.
工程师正在推动阀门打开。
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2.The pilot pushed the valve to increase fuel flow.
飞行员推动阀门以增加燃料流量。
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3.The valve is a critical component of the engine's operation.
阀门是发动机运行的关键部件。