绝缘电阻的测量值需要进行()的加压。 A.15SB.30SC.45SD.60S
绝缘电阻的测量值需要进行()的加压。
A.15S
B.30S
C.45S
D.60S
相关考题:
试品绝缘电阻的测量值获取需加压________。A.10sB.30sC.120sD.60s
A.15S
B.30S
C.45S
D.60S