coal preparation
短语词组
- design for coal -preparation plant 選煤廠設計
- coal -handling and preparation 煤加工制備
- pulverized -coal preparation 粉煤備制
- preparation coal -water mixture 水煤漿制備
- coal preparation system -new technology-application 備煤系統新技術應用
- heavy -media coal preparation process 重介選煤工藝
- high -efficient coal preparation plant 高傚選煤廠
- multi -story coal preparation building 多層選煤廠房 返回 coal preparation