赤脚踩地面-算接地吗? 110V直接接水泥地电压却变低-Why?

Name: 赤脚踩地面-算接地吗? 110V直接接水泥地电压却变低-Why?
Uploaded: 2023-07-20T19:00:08+08:00
Description: 赤脚踩地面-算接地吗? 110V直接接水泥地电压却变低-Why?

2023-07-20 19:00:08 电影快讯 211210℃