refineryn.精练厂
refinery dry gas炼厂干气
refinery products石油加工产品
refinery sour gas炼厂酸性气
refinery molasses精制糖蜜
refinery emulsion炼油厂乳浊体
refinery effluent冶炼厂废水
refinery chemical炼油化工
refinery propylene炼厂丙烯
refinery off-gas干气
refinery equipment炼油装置