7 31-82 8110T 其余 倒角1×45 0 1001020 0.8 100H5E 0.8 08 5100. 40 2×1 2×1 30 50 35 150 图2-1 阶梯轴 9 运颁仔阮机吧工在系 Mechanical and Electrical Engineering Department2022/11/23 10