The Prediction if pumpage from mining wells is very important for mining work. 矿井涌水量预测对于矿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. 对于大中型功率(马力)的电机,一些制造商选择提供旁路(泵冷却)加套电机设计结构。