stationary motor piston pump

例句：

1. 1.The stationary motor piston pump is used to pump water from the well.
   固定式电动机活塞泵用于从井中抽水。
2. 2. The stationary motor piston pump is a reliable source of water for irrigation.
   固定式电动机活塞泵是灌溉的可靠水源。
3. 3. The stationary motor piston pump is easy to install and maintain, making it a popular choice for small farms.
   固定式电动机活塞泵易于安装和维护，因此成为小型农场的热门选择。