An external lightning protection system ( lps ) means , to me , that lightning rods , related cabling and a building grounding method are already in place 按我的理解,外部雷擊防護(hù)系統(tǒng)( lps )所指的是已經(jīng)在位的避雷針、相關(guān)的引線導(dǎo)體及建筑物的接地方式。
Mjc : an external lightning protection system ( lps ) means , to me , that lightning rods , related cabling and a building grounding method are already in place 按我的理解,外部雷擊防護(hù)系統(tǒng)( lps )所指的是已經(jīng)在位的避雷針、相關(guān)的引線導(dǎo)體及建筑物的接地方式。