10kV避雷器摇测绝缘电阻,应使用()兆欧表
A.250V
B.500V
C.1000V
D.2500V
参考答案:D
Computer games are easily________to children,and many senior high students are
also________to them.[ ]
A.addicted;addictive
B.addictive;addicted
C.addicted;addicted
D.addictive;addictive
切削时切削液的施加方法有浇注法和()两种。