基本解释[能源科学技术]煤垩矾煤英汉例句双语例句In addition, the effect is introduced that castiron centrifugal coated anticorrosive material is used in coal water with alum.介绍了铸铁离心泵防腐涂层在煤矿矾水中的应用效果。alum coal更多例句词组短语短语rock coal containing alum 含钒石煤alum coal更多词组专业释义能源科学技术煤垩矾煤