用万用表测量2根线的接线阻值,高阻值的变压2根线接220V,低压侧有36V24V12V几组出线。接线电源侧就一组端子,变压
邮箱:
电话:
传真:
Copyright © 2024 Powered by 岑楼齐末网 http://m.gzgmq.cn/