Lead and plan all production equipment preventative maintenance and corrective maintenance also equipment rebuild.
计划并领导设备预防性维修和改进性维修，并负责设备改造。

But now experts say that there is enough evidence to confidently rule out selenium as a cancer preventative therapy.
但专家称现在有足够的证据证明硒元素并不能防止癌症。

Other relevant departments are responsible to formulate and accomplish the corrective and preventative actions concerned.
各相关部门负责本部门纠正和预防措施的制定，实施。

Parent's Alert is a preventative measure, to be trotted out before suspicion of drug use arises preferably when kids are in elementary or junior high school.
家长警报'是一种预防性的措施，可以在对使用毒品的怀疑加剧－最好是孩子还在小学或初中时一之前便运作起来。