ZY(J)6型电液转辙机锁闭柱与锁闭杆缺囗两侧的间隙内锁闭为( )。[332010204]

ZY(J)6型电液转辙机锁闭柱与锁闭杆缺囗两侧的间隙内锁闭为( )。[332010204]

A.(A)1.5mm

B.(B)1.5mm±0.5mm

C.(C)2mm

D.(D)2mm±0.5mm

正确答案是B