The input power of motor and shaft power of pump are key measurements in field test of pumping stations.

电动机输入功率和水泵轴功率测试是泵站现场测试的重要内容。

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The upstream pumping mechanical seal was used as shaft sealing of vacuum plants.

研究了上游泵送机械密封在真空装备轴封中的应用。

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When pumping water, the head, shaft power and efficiency of the pump decrease with the reducing in impeller diameter.

输送水时，叶轮切割后，泵的扬程、轴功率、效率都下降。

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The possibility of a memorial was first raised more than three years ago after a headstone was dedicated to 14 men who died in 1927 when a pumping system collapsed down a shaft.

BBC: Memorial unveiled to miners who died at Bilsthorpe pit