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四组合开关辅助接点在工作过程中经常会出现烧坏和粘连现象 ,严重制约和影响了生产 ,通过采用串接继电器的方法有效地解决了这一问题。
Four combinations of auxiliary switch contacts often burn and stick in the course of the work phenomenon, a serious constraint and affect the production, through the use of series relay method effectively solve this problem.