preventativeadj.预防性的n.预防法=preventive.preventative measures预防措施preventative inventions预防干预preventative resistance防止短路用的电阻preventative maintenance预防性保养preventative observation预防性监理preventative rehabilitation预防性康复preventative drug education毒品预防教育Preventative repair strategy预防性维修策略Preventative Maintenance Check预防性保养检查preventative rupture of membranes防止破膜