单词：diaphragm pump
diaphragm pump的用法和样例：
例句
- Typically the vacuum is generated by a water aspirator or a membrane pump.真空由水抽子或隔膜泵产生。
- If the diaphragm receptacle is at the top, the product can become lodged between the diaphragm and the dampener wall.如果隔膜泵在顶部，产品会在隔膜和减弱器之间。
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