给水处理工程 Irrigation treatment facility 化工原理 Principles of Chemical Engineering工业用煤及低污染燃烧 coal for various industries and combustion with reduced pollutants电厂热力设备运行 operation of Thermodynamics Equipment in Power Plants工业用油 industrial oil化学仪表 chemical apparatus工程概预算 Project Budget金属腐蚀与防护 metallic corrosion and prevention