preventive use预防性使用
preventiveadj.预防的;防病的n.预防物;预防性措施
preventive-separated measure预防隔离措施
preventive drug of cold injury寒冷损伤预防药
preventive effect of expansion防膨效果
preventive medicine detachment预防医学分队
preventive maintenance support预防性维修保障
preventive sanitary inspection预防性卫生监督
preventive maintenance program预防性保养计划
preventive maintanance measure预防性保养检测