Porduct: Solenoid Valve, Expansion Valve, Ball Valve, Service Valve, Drain Pump.

主营产品：电磁阀，膨胀阀，球阀，截止阀，排水泵。

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Underground principal drain pump is one of the devices that consume the most power in coal mine.

井下主排泵是煤矿耗电量最多的设备之一。

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The energysaving effect analysis of replacing condensate pump by drain pump of low pressure heater at starting and shutting process of unit;

阐述了低压加热器疏水泵平衡盘磨损的问题，在设备现状基础上进行了理论分析，得出了平衡盘磨损的理论依据。

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There are some systems that actually will take a circle and drop it just below the surface of the water and have the oil kind of flow into it, almost like a drain, recover it and pump it out.

WHITEHOUSE: Daily Press Briefing

You add in the sump pump, the French drain, the alarm system, the slate roof, the gutters, the generator and you convince yourself that you're safe.

WSJ: Anna Quindlen on a Message Delivered by Tornado | House Call