preventive use预防性使用preventiveadj.预防的；防病的n.预防物；预防性措施preventive medicine company预防医学连Preventive Detention Action预防性拘留行动preventive medicine program预防医学专业Preventive drug application预防用药preventive medicine officer预防医官preventive maintenance time预防性维护时间Preventive Maintenance Plan预防性维修计划Preventive dental procedure预防性牙处置Preventive Medicine Element预防医疗队preventive psychiatric team精神病防病队