名词
中文翻译：泵检查球
同义词：
['pump check ball', 'pump check ball', 'pump check ball']
例句：
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1. The pump check ball is used to ensure that the pump is working properly.
泵检查球用于确保泵正常工作。
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2. The pump check ball helps to identify any issues with the pump.
泵检查球有助于识别泵的任何问题。
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3. The pump check ball can be replaced if it becomes damaged or worn out.
如果泵检查球损坏或磨损，可以更换它。