In order for the better use of Cummins engine and the quicker grasp of maintenance technique for maintenance workers, the paper discusses the operation and maintenance points of Cummins engine.
为了使康明斯发动机更好使用，也使维修人员尽快地掌握维修技术，现将康明斯发动机操作及维护保养要点作简要的介绍。
The procedure of Liza technology in Northern liquor making, the characteristics and the key points of this technique, as well as the general problems and causes in operation were discussed.
介绍了北方酿酒立米查工艺的流程，工艺特点、操作要点、工艺参数及操作中常见的问题和产生的原因。
The paper analysed the main technique parameters and the mutual effect and the control technology, summarized the control points of PC kiln burning operation.
文章在详细分析主要工艺参数及其相互影响和控制技术的基础上，进行了PC窑煅烧操作控制要点的归类总结。
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