确定了磷石膏的最佳炒制工艺参数.Optimum calcining technology parameter from phosphogypsum to plaster of paris is determined.磷石膏为湿法生产磷酸排放的工业废渣,因含可溶磷杂质,不能直接使用.Phosphor - gypsum is the industrial waste discharged from wet process phosphoro...
在青少年教养院拘禁12个月的判决a sentence of 12 months' detention in a young offender institution他被判处在少年犯拘留所拘禁两年。He was sentenced to two years' youth custody.敌军俘虏拘禁于战俘集中营.The enemy prisoners were kept in prison camps....