应经常清除叶轮附着物，防止负荷增加，以免造成过载运行而损坏增氧机。
Frequently clear the attachment on impellers to avoid load increasing, so as to not damage aerator by overload.
接地保护以及电机过载运行保护。应用于工业控制设备的数量安排、保护设备的等级和设置与加拿大电气法规第一部分相一致。
The number arrangement, and ratings or setting of protective devices used in industrial control equipment are in accordance with the requirements of the Canadian Electrical Code, Part I.
做试验时先满载运行四小时，再过载10%运行一小时。
Run in full load for four hours and run in 10 percent overload for one hour.
做试验时先满载运行四小时，再过载10%运行一小时。
Run in full load for four hours and run in 10 percent overload for one hour.
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