发布时间:2025-01-22 15:04:25
如果不是浮雕,软件还是比较容易掌握的。
买一个1200X1200幅面的雕刻机就可以了。
问一下初中做定滑轮物理实验时测力那个弹簧测力计都倒着放为什么壳重没有作用在挂钩上呢
2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25 2025-01-22 15:04:25