打开App
360P
三个挡位可以测通断，小白只会一种，老电工会2+1种
数字万用表9/20
App01:50
App04:03
App01:36
App02:02
App01:42
App02:47
App02:19
App02:31
App05:07
App03:07
App01:55
App03:08
App02:37
App03:15
App11:50
App02:23
App03:20
App02:30
App03:24
App03:21打开App观看
App01:50App04:03App01:36App02:02App01:42App02:47App02:19App02:31App05:07App03:07App01:55App03:08App02:37App03:15App11:50App02:23App03:20App02:30App03:24App03:21
