无芯床用无?j)?b>金刚石砂?/b>;?b>陶瓷制品?b>金刚石砂?/b>;切割?b>金刚石砂?/b>(也被UCؓ(f)金刚矛_?strong class="v2r292z0q">来自?;金刚石锯片?金刚?b class="fbnujyjs">360问答砂轮按外观或形状可分?b class="lll0xr0">夫联评失晚:q砂轮;{Ş砂轮;杯Ş首料院织安独世养喜前?/span>砂轮。分别用金属_、树(wi)脂粉?b>陶瓷和电(sh)换利?/b>镀金属作结合剂Q制成的中央有通孔的圆形固l?span class="n1m2228">具UC金刚石砂?/b>(合金砂轮)? 展业?/b>金刚石砂?/b>按外观或?span class="a252n347h">状可分ؓ(f):q砂轮;{Ş砂轮;杯Ş砂。R。P。M 41
