It's a good habit _____ breakfast every day. [ ]
A. had
B. have
C. to have
D. having
答案:C
超声波局部放电检测将检测点选取于断路器断口处、隔离开关、接地开关、电流互感器、电压互感器()部位。
A.避雷器
B.导体连接部件
C.水平布置的盆式绝缘子
D.机构箱
论述TJWX-2000型微机监测系统。