发布时间:2025-01-17 03:58:52
燕尾槽是有国家标准的,一般是55°。如果自己有设备可以自己制作。燕尾槽一般用专用铣刀加工,主要看你用作什么用途。
本命属羊天上火命五行缺水请高人指点补水运的有效方法满网上多搜得到的那种就算了
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