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