...间接接触保护；故障时触电保护；附加保护(protection against indirect contact； protection against shock in the case of a fault； supplementary protection) ? 等电位连接(equipotential bonding) ..
3
?故障时触电保护
...故障时触电保护；附加保护(protection against indirect contact； protection against shock in the case of a fault； supplementary protection) ? 等电位连接(equipotential bonding) ..
4
?补充保障
他特意到那里去，看看发生了什么事 ? He deliberately go there to see what happened 补充保障 ? Supplementary protection 泳衣少女 ? Swimsuit girls ..