Second, we must strengthen institutional construction. We must supervise and inspect strictly each of the links from raw material production, processing, circulation to consumption.

第二，要加强制度建设，从原料生产、加工、流通、消费每个环节都要进行严格监督和检查。

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The paper has introduced constructional properties, applicable sphere of pumping reverse circulation drilling, and its technical demands and the reasons of common hitchs and processing methods.

介绍了泵吸反循环钻进的施工特点、适用范围、施工中的技术要求与常见故障的原因及处理方法。

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Because of being subjected to the different conditions, coal slurry water processing technology of Xinghua coal Preparation Plant affects closed-circuit circulation of wash water.

由于受不同条件的制约，杏花选煤厂煤泥水处理工艺影响了洗水的闭路循环。

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