two-way flow pump

例句：

1. 1.The two-way flow pump is essential for maintaining the water quality in the river.
   双向流动泵对于保持河流水质至关重要。
2. 2. The two-way flow pump helps to prevent silt from accumulating in the pipeline.
   双向流动泵有助于防止泥沙在管道中积累。
3. 3. The two-way flow pump is designed to allow water to flow in both directions, which improves efficiency.
   双向流动泵设计成允许水流双向流动，从而提高了效率。