國家電網(wǎng)農(nóng)網(wǎng)配電生產(chǎn)技能考試低壓設(shè)備、低壓配電單項(xiàng)選擇題每日一練(2019.01.15)

A.2.5
B.5
C.10
D.15

A.250V
B.500V
C.750V
D.1000V

A.67%～75%
B.0.8
C.116%～120%
D.1

A.GGD
B.GCL
C.PGL
D.MSN

A.斷路
B.短路
C.開路
D.延時(shí)