self-pumping

例句：

1. 1. The self-pumping pump is designed to automatically start when the tank is full.
   自吸泵设计成当水箱满时自动启动。
2. 2. The self-pumping pump was installed in the new well to ensure efficient water extraction.
   在新的井中安装了自吸泵，以确保高效的抽水。
3. 3. The self-pumping pump has proven to be a reliable and efficient solution for many industrial applications.
   自吸泵已被证明是许多工业应用中可靠和高效的解决方案。