two-way pump

例句：

1. 1.This two-way pump is designed to improve the efficiency of the water distribution system.
   这个双向泵旨在提高水分配系统的效率。
2. 2.The two-way pump is essential for maintaining proper water pressure in the pipelines.
   双向泵对于保持管道中适当的水压至关重要。
3. 3. The two-way pump is used to transfer fluids from one side of a pipe to the other, allowing for precise control over the flow rate.
   双向泵用于将管道一侧的流体转移到另一侧，从而实现对流速的精确控制。