A sampling project for the water quality automatic monitoring system was introduced in this paper, self-absorption-ejector pump was used in the system instead of centrifugal pump.

介绍一个以自吸喷射泵为取样泵的水质自动监测系统取样工程建设方案及其日常维护措施。

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By using this system, the non contacted on line automatic measurement on external diameters of hot rolled workpieces and the quality monitoring can be carried out under the mal condition.

该系统可在恶劣工况条件下实现对热轧件外径尺寸的非接触式在线自动测量及加工质量监控。

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In order to improve the efficiency and quality of sewage treatment, and save manpower and raw materials, designing an automatic monitoring system is very necessary.

为了提高污水处理的效率和质量，同时节省大量的人力和物力，设计一套自动化监控系统是十分必要的。

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