coarse coal
短语词组
- coarse grained coal 粗紋理煤
- coarse e coal 大塊煤
- coarse pulverized coal separator 粗粉分離器
- coarse clean coal slime 粗精煤泥
- coarse clean coal 粗精煤
- coarse granule coal recovery system 粗顆粒煤廻收系統
- coarse coal slime 粗煤泥
- coarse coal gasification 碎煤加壓氣化
- coarse coal slime recovery 粗煤泥廻收 返回 coarse coal