The box cover is provided with a temperature control system, in the constant temperature box rear drain valve and an external power supply socket.
箱盖上有控温系统，在恒温箱的后部是排水阀及外接电源插座。
Now there is lower powe factor and larger reactive power loss in the drain system.
目前排水泵站系统普遍存在功率因数低、无功损耗大的情况。
In the thermal system of a power plant, there are quite a number of drain pipes that discharge into the condenser or into a flash tank.
电站热力系统中相当数量疏水管路接口排入凝汽器或扩容器，疏水排入的过程中涉及到流体动力、扩散、闪蒸及两相流等多种复杂问题。
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