单项选择题
A.0.1～0.2mm B.0.2～0.25mm C.0.25～0.5mm D.0.5～0.6mm
A.420MPa B.450MPa C.460MPa
A.固定轴距 B.全轴距 C.车辆定距
A.≤0.8L B.≤0.9L C.≤1.0L D.≤1.5L
微信扫一扫,加关注免费搜题
