?span class="f3q801ru">削时有利于排屑和散热Q不易堵塞、不易烧伤工?3?b>砂轮的自锐性比较好Q磨ȝ?b>金刚石砂?/b>Q磨质合金?b>金刚?span class="b6e798">砂轮修整比较Ҏ(gu)?4?b>金刚石砂?/b>所h的特?度高?b>金刚石砂?/b>哪种l合剂树(wi)脂结合剂?b>青铜l合剂或陶瓷l合剂砂轮修来自几种砂轮修整:用碳化硅或白刚玉砂轮修整或用金刚W修整电(sh)镀金刚石砂?/b>8丝蟩难修整非要修整表面层?span class="r5unby">?/span>??wi)脂_?strong class="pmq2870drn">l巴?/strong>l?参考答??wi)脂_结 ??wi)脂??sh)镀?br> 参考答??sh)镀 ??sh)镀?A?q个得过去镀砂工厂学Q我之前学过几个月，专门镀首饰雕刻打磨工?/span
