licensing of drivers/conductors —— 这里的“conductors” 指的是什么啊?

licensing of drivers/conductors —— 这里的“conductors” 指的是什么啊? none of these materials are conductors. Semiconductor are merely reasonable conductors of electricit adjacent conductors什么意思 12.Some metals are better conductors of electricity than oth Do some conductors conduct better than other? Two charged spherical conductors are connected by a long con franchising和licensing的区别 这里的of是什么用法啊 英语翻译高手请进 All metals are not good conductors 这句话怎么翻译,最好带着分析, Gangmasters Licensing Authority 是指什么?中文翻译是什么?谢 trap在这里指的是什么啊?