Taking some sewage treatment plants project as an example, carrying on the electrical design and the programming to screw pumps control in sewage pump station.

以某污水处理厂的工程为例，对污水泵站的螺旋泵的控制进行电气设计和程序编制。

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The sealing device in the oilfield centrifugal pumps is apt to be worn and fail owing to the existence of solids, minerals and additives in the sewage of oilfield.

由于油田污水中含有大量的固体颗粒、添加剂和矿物质，这不仅会对离心泵的密封装置造成磨损，而且还会因添加剂和矿物质的析出而使密封装置失效。

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The JM3 mechanical seals are immensely popular. Extremely rugged and reliable, they cover a wide spectrum of applications-in water pumps, sewage pumps, Submerged pumps, chemical pumps, etc.

JM 3系列的机械密封，应用广泛可靠性好。适用于清水泵、污水泵、潜水泵、化工泵等。

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It prefers unglamorous companies that sell things like sewage pumps and pulp-processing mats.

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But perhaps you need more exposure to slag, sewage pumps, adhesion promoters, viscous fluid dosing machines and state-of-the-art grease cartridges.

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