名词中文翻译
中文翻译：泵杆
同义词：
['pump stem', 'pump shaft']
例句：
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1. The pump rod is the part of the pump that moves up and down to circulate water.
泵杆是泵的一部分，它上下移动以循环水。
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2. The pump rod needs to be replaced regularly to ensure proper functioning.
泵杆需要定期更换，以确保正常工作。
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3. The pump rod was damaged during the installation process, causing a delay in the project.
在安装过程中，泵杆受损，导致项目延误。