英语词汇“improving concentrate grade”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	improving concentrate grade
释义	improving concentrate grade 提高精矿品位
随便看	steam stop valve steam storage locomotive steam strainer steam strainer spring steam strainer valve steamstretching steam stretching steam-stretching ratio steam striker steam stripped steam stripper steam stripping steam stripping plate steam stripping plates steam stripping tower steam-stripping tower steam stuffing box steam-stuffing box steam suction ironing machine steams up steam super-heated steam, superheated steam superheater steam superheater equipment steam superheater in chamberes