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,外部雷击防护系统( lps )所指的是已经在位的避雷针、相关的引线导体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,外部雷击防护系统( lps )所指的是已经在位的避雷针、相关的引线导体及建筑物的接地方式。