coarse coal
短语词组
- coarse grained coal 粗纹理煤
- coarse e coal 大块煤
- coarse pulverized coal separator 粗粉分离器
- coarse clean coal slime 粗精煤泥
- coarse clean coal 粗精煤
- coarse granule coal recovery system 粗颗粒煤回收系统
- coarse coal slime 粗煤泥
- coarse coal gasification 碎煤加压气化
- coarse coal slime recovery 粗煤泥回收 返回 coarse coal