你可能感興趣的試題

A.0.8m 
B.1m 
C.1.2m 
D.1.5m

A.0.5m
B.0.6m
C.0.7m
D.0.8m

A.0.3m
B.0.4m
C.0.5m
D.0.6m

A.電力線路在通信線路上方，高壓線路在低壓線路上方
B.通信線路與低壓線路之間的距離不得小于1.5m
C.低壓線路之間不得小于0.8m
D.低壓線路與10kV高壓線路之間不得小于1.2m

A.1m
B.1.2m
C.1.5m
D.1.8m

A.1m
B.1.2m
C.1.5m
D.1.8m

A.0.1m
B.0.15m
C.0.2m
D.0.25m

A.1.5m
B.2m
C.2.5m
D.3m

A.0.1m
B.0.15m
C.0.2m
D.0.25m

A.10mm*10mm~40mm*40mm
B.20mm*20mm~40mm*40mm
C.20mm*20mm~30mm*30mm
D.25mm*25mm~40mm*40mm