LM500系列维持发动机曲轴箱，压缩机或泵的油位，油位过低时自动调整补充油位到机器正常运转需要的油位。
The LM500 series maintains the crankcase oil level of an engine, pump or compressor. Adjusted to the correct running-oil-level, it will replenish oil as it is used.
SPCAD系统作为泵cad系统的一个重要补充和完善，填补了泵cad系统中泵轴强度校核CAD应用的空白。
As an important complement and consummation of the pump CAD system, the SPCAD software system fills up the gap of the pump shaft intensity calibration in pump CAD system.
该泵在主回路冷却水减少时，提供补充水以维持所需水量。
This pump supplies make-up water to maintain the volume when the primary reactor coolant has contracted due to decrease of load.
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