基本解釋[能源科學(xué)技術(shù)]煤堊礬煤英漢例句雙語例句In addition, the effect is introduced that castiron centrifugal coated anticorrosive material is used in coal water with alum.介紹了鑄鐵離心泵防腐涂層在煤礦礬水中的應(yīng)用效果。alum coal更多例句詞組短語短語rock coal containing alum 含釩石煤alum coal更多詞組專業(yè)釋義能源科學(xué)技術(shù)煤堊礬煤