heavy oiln.(将焦油蒸馏得到的比重大于水的)重油
heavyadj.大(量)的;重的;沉重的;猛烈的
heavy metal remain重金属残留量
heavy duty vehicle重型车辆
heavy-duty crane重型吊车
heavy oil pipeline稠油管道
heavy-ion source[电] 重离子源
heavy oil recovery稠油开采
heavy drawn binder重型割捆机
heavy oil cracking重油裂化
heavy-oil sewage稠油污水
heavy loading area重负荷区