加工材料 meaning in Chinese

processing materials
work material
worked materials

Standard test method of sampling processed peat materials
泥炭加工材料的抽样标准操作规程
New perspectives on the cutting mechanism of difficult - to - machine materials
难加工材料切削机理研究的新进展
Effect of grinding fluid on grinding properties of vitrified bonded cbn wheel
砂轮磨削难加工材料时磨削液的作用
Eye protection : use appropriate eye protection when machining material
眼睛保护：当加工材料时使用眼睛保护装置。
Test methods for tension testing of carbon and graphite mechanical materials
碳和石墨机械加工材料抗拉检验的试验方法

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