单项选择题
A.0.2LB.0.3LC.0.4LD.0.5L
A.565mmB.505mmC.545mmD.525mm
A.轮对B.定位节点C.叠层橡胶堆D.橡胶节点
A.150±5B.155±5C.160±5D.165±5
微信扫一扫,加关注免费搜题