Conclusion the effective control infection, avoid of allergen and prevention of asthma induced factors might be the keypoint of prevention of asthma happening.
结论及时有效控制感染,尽量避免过敏原,防止一切诱发哮喘的因素,是防止支管哮喘发生的关键环节。
2
The key to an EGR system is introduced, and the controlof exhaust gas quantity recirculation quantity of that in every point at best.
EGR系统的关键就是控制废气的引入量,使废气的再循环量在每一个工作点都达到最佳状况。
3
At that point, typing the Control-p key combination writes the contents of the screen to your output file.