主马达采用双电磁阀控制系统，当一个电磁阀出现故障时，设备还能正常工作，不影响任何使用。
The main motor adopts double electromagnetic controlling system. The operation won't be affected if malfunction happens to the electromagnetic valve but equipment still works.
主马达采用双电磁阀控制系统，当一个电磁阀出现故障时，设备还能正常工作，不影响任何使用。
The main motor adopts double electromagnetic controlling system. The operation won't be affected if malfunction happens to the electromagnetic valve but equipment still works.
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