preventive use预防性使用
preventiveadj.预防的;防病的n.预防物;预防性措施
Preventive antibacterials预防用抗菌药物
PREVENTIVE EDUCATION UNIT毒品防范教育组
preventive health behavior预防性卫生行为
Preventive health services预防卫生服务
Preventive Aircraft Repair飞机预防性修理
Preventive region division防治区划
preventive countermeasures防治对策
preventive health behaviour预防性卫生行为