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device for the dosing of a emne in another
device for the dosing of a emne in another
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机译:另一个眼科医生的装置
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摘要
The time period of the bath circulation pump is controlled by the relay. Relay controls the time period of the chlorine dosing pump. By relating electronically the periods of the two pumps the dosing frequency of the chlorine is linked to the frequency of operation of the water circulation pump.
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