双语例句权威例句
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Self-priming sewage pump over-current components Material: cast iron, stainless steel.
自吸排污泵过流部件材质：铸铁、不锈钢。
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Mechanical seal is the key part of submersible sewage pump, the reliability of it decide the submersible sewage pump life.
作为潜水污水泵关键部件的机械密封，其可靠性决定潜水污水泵的使用寿命。
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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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