Be based on distribution automation, the probability and feasibility of the parallel connection of arc-extinction coils is analyzed.

在配网自动化的基础上分析了消弧线圈并联运行的可能性和可行性。

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With two parallel circuits on arc powered supply, it settles the welding current unicity, stabilizes forerunner arc and ensures enough welding time.

电弧供电采用了两种并联电路，解决了焊接电流的单一性，提供了稳定的先导电弧，保证了足够的焊接时间。

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Three approaches to the graphic representation for lines of intersection are introduced in this article, namely, central projection, parallel skew projection and arc line projection.

本文介绍了图解截交线的三种方法，中心投射法、平行斜投射法、弧线投射法。

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