基本解释[能源科學技術]煤堊礬煤英汉例句雙語例句In addition, the effect is introduced that castiron centrifugal coated anticorrosive material is used in coal water with alum.介紹了鑄鉄離心泵防腐塗層在煤鑛礬水中的應用傚果。alum coal更多例句词组短语短語rock coal containing alum 含釩石煤alum coal更多词组专业释义能源科學技術煤堊礬煤