发布时间:2025-01-17 01:11:31
更正一下:燕尾槽和键槽是两个概念。
燕尾槽用于工作台的导向。
键槽用于在轴类零件上安装键。
键槽没必要加工成燕尾形
燕尾槽也更不是键槽
有谁知道这是什么虫子家里发现的前年家里装修铺的地板是不是地板里爬出来的
2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31如图房子的地基ab长为15米房檐cd的长为20米门宽ef为6米cd到地面的距离为18米请你建立直角坐标
2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31 2025-01-17 01:11:31