mrr造句

• Mrr maintenance , repair and replace
  维护修理和替换
• Selecting 45 # steel and copper as the workpiece material and electrode material , respectively , experiments have been carried out , the results showing that uedm is a method with a high material removal rate ( mrr )
  分别采用选拔45 #钢作为工件材料，铜作为电极材料进行实验，结果显示uedm是一种具有高材料切除率( mrr )的加工方法