... coal dust 煤尘 coal dust mill 磨煤机 inflammable coal dust 爆炸性煤炭尘粉 ...
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coal dust mill
磨粉机
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Homemade equipments were adopted in this line largely, as well as some proprietary and patent technology of NCDRI in firing system, coal dust burner and coal mill system.
该线大量采用国产化设备，烧成系统、窑头喷煤管、煤磨系统等应用南京院专有专利技术。
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