用precautionary measures造句子，“precautionary measures”造句
来源：国语帮 3.12W
It seeks to prevent loss, "said Ralph Hupka, Professor of Psychology, Emeritus at California State University at Long Beach." Jealousy causes us to take precautionary measures.
Conclusion It was the key of control infection that all kinds of precautionary measures was well-madein mechanical ventilation.
