泵送系统：泵送系统性能可靠、吸入效率高。
Pumping system: with reliable performance and high-efficiency inhalation.
指出了变频调速泵送系统在设计和应用中的注意事项。
Points for attention in the design and application of variable frequency and speed pump system have been proposed as well.
现象：泵送系统动作突然中断，并且有异常声响，设备有较强振动，但管道内无相应振动。
Phenomenon: a sudden interruption of pumping system moves, and there is abnormal sound equipment there is a strong vibration, the tunnel is no corresponding vibration.
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