The Prediction if pumpage from mining wells is very important for mining work.

井涌水量预测山开采具有重要意义。

For medium and larger horsepower sizes, some manufacturers elect to offer by-pass (pumpage cooled) jacketed motor designs.

大中型率（马力）的电机，一些制造商选择提路（泵冷却）加套电机设计结构。