pump size

例句：

1. 1. The pump needs to be replaced because the current size is too small for the new water source.
   由于当前泵的尺寸太小，无法与新的水源相匹配，需要更换泵。
2. 2. The pump size affects the efficiency of the system.
   泵的尺寸影响系统的效率。
3. 3. The pump size is crucial for ensuring proper water distribution in the building.
   泵的尺寸对于确保建筑内适当的水分配至关重要。