Quantity: 1000mt, the seller has the option to load 5% more or less the quantity contracted if it is necessary.
数量：1000吨，卖方有权负荷5%或多或少数量的简约，如果它是必要的。
This pump supplies make-up water to maintain the volume when the primary reactor coolant has contracted due to decrease of load.
该泵在主回路冷却水减少时，提供补充水以维持所需水量。
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