coal preparation

常用短語

coal preparation plant選煤廠；煤準備廠；煤漿制備廠；配煤廠

dry coal preparation干法選煤

Standard for Coal Preparation Plants煤廠消防標準

coal preparation waste water選煤廢水

Coal Preparation Technology選煤技術

coal preparation process選煤工藝；選煤工藝流程；煤炭洗選工藝

Coal preparation equipment選煤設備

digital coal preparation數字化選煤