JJG1021-2007规定,S级电流互感器的误差检定点有()。
A.1%,5%,20%,100% B.1%,5%,20%,100%,120% C.5%,20%,80%,100%,120% D.1%,5%,20%,80%,100%,正确答案B
JJG1021-2007规定,S级电流互感器的误差检定点有()。
A.1%,5%,20%,100% B.1%,5%,20%,100%,120% C.5%,20%,80%,100%,120% D.1%,5%,20%,80%,100%,正确答案B