Reason and preventative measure of leakage in bottom of petroleum gas cylinder
在用液化石油气钢瓶底部泄漏原因及防止措施
The most important preventative measure, says the WHO, is using combination therapies.
世界卫生组织说，最重要的预防措施是使用联合疗法。
Traditional Chinese medicine, he says, has long placed an emphasis on good foods as a preventative health measure.
他介绍称, 传统中医也一直强调食疗可以预防疾病。
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。
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