A scheme of bidirectional thyristor phasing trigger composed by ICs is presented, and the trigger circuit fit for AC voltage regulator of inductive load is given.

提出了一种由集成电路组成的双向晶闸管移相触发器的设计方案，给出了适合于感性负载的交流调压电源的触发电路。

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Combined with the construction sequences of the drift and pile method, the idea of zoning, phasing, grouping, and staging is adopted to design the overall jacking scheme.

结合洞桩法施工工序，按“分区、分阶段、分组、分级”原则，制定总体顶升方案。

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