名词
中文翻译：泵杆
同义词：
['pumping handle', 'pump handle']
例句：
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1.The pump lever is the only thing that can be used to turn the water on and off.
泵杆杠杆是唯一一个可以用来打开和关闭水的工具。
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2. The engineer carefully adjusted the pump lever to ensure optimal performance.
工程师仔细调整了泵杆杠杆，以确保最佳性能。
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3.The pump lever was designed to prevent leaks and ensure safe operation of the machinery.
泵杆杠杆被设计成防止泄漏并确保机械的安全运行。