... 单键 single bond 单一接触操作 single contact operation 单晶 single crystal ...
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Flexible control, the motor adjust air flow can be single period of speed , three or five periods of speed. It is also enclosed operation, abnormal indicator and abnormal dry contact for control.
灵活的控制方式，可作单段速、三段调速、五段调速或无级调速调节风量并附运转/异常指示灯/异常干接点，便于监控；
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