305634483 发表于 2017-8-14 09:47 ) P, j3 Z1 H+ j9 l+ [1 {7 oLVD指令scope写着是between 50 and 1 000 V for alternating current / x4 i- k- n& s8 u# H. ]/ |between 75 and 1 500 V for direct ...