如果避雷裝置度數唔夠要點解決?
係咪即係個電阻值太高?
請教各位師兄應該點答?
Thanks ^_^
更新1:
如果避雷裝置度數唔夠要點解決? 呢句說話係考官講, 我照問咋. Thanks all ching to give any comment for this question. ^_^