This will increase the pump efficiency, energy saving, to avoid electrical overload operation, to extend the service life.
这样可提高电泵工作效率，节电，避免电机超负荷作业，延长使用寿命。
This will improve the efficiency of pumps, power-saving, to avoid electrical overload operation, to extend the service life.
这样可提高电泵工作效率，节电，避免电机超负荷作业，延长使用寿命。
To selection of the optimum type transposition from the test results at rated load and overload operation are compared and analyzed in the paper.
比较分析了在额定和超发工况下的试验结果，以便按照具体情况选择最佳方案。
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