CR400AF型动车组车轮直径差：同一转向架（动车）应≤4mm（）

A.≤1mm ≤1mm

B.≤1mm ≤2mm

C.≤2mm ≤2mm

D.≤2mm ≤4mm

A.5.0mm

B.5.5mm

C.60mm

D.6.5mm

A.≤1.0mm

B.≤5mm

C.≤10mm

D.≤15mm

A.4.5

B.4

C.3.5

D.5

A.23

B.24

C.25

D.26