A. He didn't know the rood B. He didn't know the way after the collision C. He is a tourist D. They want him to buy a map
A. 设计给定的尺寸 B. 测量得到的实际尺寸 C. 加工后由实际尺寸与形状误差综合形成的尺寸 D. 理想边界的尺寸
A. 最大极限尺寸 B. 最小极限尺寸 C. 体外作用尺寸 D. 实际尺寸