grease pump

• 黄油泵,油脂泵,润滑脂泵

grease pump的用法和样例：

例句

1. I'm afraid the fuel pump has to be replaced.
   恐怕油泵得换了。
2. Pump intake is clogged with metal shavings.
   油泵的进油口被金属屑堵塞了。