take preventative measures防患于未然

preventative measures Catchment management预防措施;集水区

preventative and treating measures防治方法

Some Preventative Measures防护措施常识

preventative measures against risks风险防范

the preventative measures防止措施

Preventative Measures for Teenage Pregnancy社会学作业少女怀孕的预防措施

Preventative anti-takeover measures预防性反收购措施