oxygen exchange reaction 氧交换反应
Diffusive Oxygen Exchange 氧气扩散速率
Total Oxygen Exchange 总氧气交换速率
indexes of oxygen exchange 氧交换指标
oxygen atom exchange 氧原子交换
oxygen isotope exchange 氧同位素交换反应
oxygen isotope exchange reactions 氧同位素交换反应
ion-exchange membrane hydrogen-oxygen fuel cell [电] 离子交换膜氢氧燃料电池
Make certain the holes are large, but not large enough to let any predator inside! This helps to keep humidity up, keeps rodents and other pests out, and allows for good oxygen exchange.
让这些洞足够大，但不能让天敌进入，这样即可以保湿，又可以防止啮齿类动物和其他有害物进去，也可以允许龟有一个良好的氧气交换。
Doctors say that over time the damage interferes with the natural exchange of oxygen and carbon dioxide in the lungs.
VOA: special.2010.06.23
Doctors say the damage brought on by these conditions eventually interrupts the natural exchange of oxygen and carbon dioxide in the lungs.
VOA: standard.2010.06.21
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