Chinese translation for "make-and-break key"

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Similar Words：

"make-and-break coupling" Chinese translation, "make-and-break current" Chinese translation, "make-and-break device" Chinese translation, "make-and-break ignition" Chinese translation, "make-and-break ignition system" Chinese translation, "make-and-break mechanism" Chinese translation, "make-and-break period" Chinese translation, "make-and-break terminal" Chinese translation, "make-and-break test" Chinese translation, "make-and-breakcontact" Chinese translation