满拉水电站水比机组经常处在低负荷下运行，存在着局部空蚀破坏和运行不稳定两大问题。
The hydraulic turbine unit frequently operates under the low water head, exists the questions of unstable operation and cavitation in Mania hydropower station.
大型直接空冷机组空冷凝汽器在冬季启动、停机过程以及低负荷运行阶段的防冻问题尤为突出。
Antifreezing is always a notable problem in the start-up in winter, shutdown process and low load operation period of air cooling condenser of large size direct air cooling unit.
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