Burr yana nufin kawar da ɓangarorin ƙarfe na musamman daga saman kayan aikin. workpiece, da ake kira burr. Irin wannan tsarin guntu ne da aka kafa yayin yankan, niƙa, niƙa, da sauransu. Don haɓaka inganci da rayuwar sabis, duk sassan daidaitattun ƙarfe dole ne a lalata su. Aiki surface...
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