Many methods to reduce working procedure reasonably and to improve the compound degree of stamping die were described by enumerating many kinds of special structure of die.
通过列举各类特殊的模具结构，介绍合理减少工序数，提高冲压模具复合程度的各种措施。
The fascine cage can be industrially made, so as to reduce the working procedure in site.
笼埽可工厂化生产，减少现场作业工序和作业面后移；
Based on the study of ac frequency conversion power system, research is made on how to control and reduce drilling accidents in working procedure. An effective new way to safe drilling is provided.
摘要在对钻机交流变频调速动力系统的研究基础上，对该动力系统在钻探过程中如何控制和减少钻探事故的发生方面做了些探索，为安全钻探提供了一条有效的新途径。
Based on the study of ac frequency conversion power system, research is made on how to control and reduce drilling accidents in working procedure. An effective new way to safe drilling is provided.
摘要在对钻机交流变频调速动力系统的研究基础上，对该动力系统在钻探过程中如何控制和减少钻探事故的发生方面做了些探索，为安全钻探提供了一条有效的新途径。
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