发布时间:2025-01-31 00:27:41
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
宁波市征收集体所有土地房屋拆迁条例第二章160160拆迁管理
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