当操作器件被释放时延时断开的动合触点是()

A .https://assets.asklib.com/images/image2/2017072115145713831.jpg B .https://assets.asklib.com/images/image2/201707211515149173.jpg C .https://assets.asklib.com/images/image2/2017072115154111409.jpg D .https://assets.asklib.com/images/image2/2017072115160185865.jpg

时间:2022-10-27 06:12:24 所属题库:高级仪表工题库

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