分压力定律
参考答案:
混合气体的总压力应该等于各组元分压力之和
I'm not surprised that he became a writer. Even as a child he had a ________ imagination.[ ]
A. clear
B. cautious
C. funny
D. vivid
公共场所爆炸紧急应对方法()
A、卧倒,迅速背朝爆冲击波传来方向卧倒
B、张口,避免爆炸所产生的强大冲击波击穿耳膜,引起永久性耳聋
C、屏住呼吸
D、待爆炸后再逃出现场