进行绝缘特性试验,对绝缘施加直流电压时,流过绝缘介质的电流是()
A.传导电流
B.电容电流
C.吸收电流
D.以上三个电流之和
参考答案:D
()are used widely in the operation of warehouse and distribution center andform the basic handling device for a number of selection system.
A.Cranes
B.Conveyors
C.Forklifttruck
D.Pallets
在检验开始时,一般采用( )检验。
A.正常
B.加严
C.放宽
D.不检验
E.暂停