? ? ??該泵在主回路冷卻水減少時，提供補充水以維持所需水量。同時該泵還向核主泵提供密封水。

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Charging Pump (CHP)

? ? ??This pump supplies make-up water to maintain the volume when the primary reactor coolant has contracted due to decrease of load. Also it supplies sealing water to the sealed part of the primary reactor coolant pump.