mine pump

例句：

1. 1. The mine pump was used to extract water from the mine.
   矿井泵被用来从矿井中提取水。
2. 2. The miners had to use the mine pump to keep their air tank full.
   矿工们不得不使用矿井泵来保持他们的空气罐满。
3. 3. The mine pump was a crucial part of the mining operation.
   矿井泵是采矿作业中至关重要的一部分。