effect of excess air in combustion
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Excess Air Ratio in combustion환경기초지식(Env' theory)/대기(Air pollution) 2021. 9. 5. 00:52
Hello everyone. This is K in Hong&Kang Environment For these days, I saw the news about dating abuse, teen age murderer killed his grandmother and dad raped and murdered his daughter. (Korean news) Sincerely sorry to hear that. I hope that kinds of these incidents are broadcasted by press without hiding anything. The life of parents has a great impact on the life of their children than anything ..