HXD3B型电力机车机车能以3km/h速度安全通过半径为125m的曲线，并能在半径250m的曲线上进行正常摘挂作业（）

A.80

B.100

C.125

A.80

B.100

C.125

D.126

A.125m

B.150m

C.100m

D.200m

A.600m

B.350m

C.250m

A.100

B.150

C.250

D.260

A.20 km/h

B.7 km/h

C.45 km/h

D.15 km/h

A.R=50m

B.R=150m

C.R=250m

A.25

B.30

C.35

D.40

A.150m

B.180m

C.200m

D.250m