When the load of pump control cubage timing system changes, the motor output speed must be kept steady.

泵控容积调速系统中负载发生变化时，要保证马达输出转速恒定。

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When the load of pump control cubage timing system changes, the motor output speed must be kept steady.

泵控容积调速系统中负载发生变化时，要保证马达输出转速恒定。

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