This paper narrated harmful composition in the gaseous state and granulous state of the steam and smoke,and the harm of smoking,appeal control smoking.
本文述说了烟气里气相和粒相中
有
成分和吸烟
,
要控制吸烟。
,粒状This paper narrated harmful composition in the gaseous state and granulous state of the steam and smoke,and the harm of smoking,appeal control smoking.
本文述说了烟气里气相和粒相中有成分和吸烟,要控制吸烟。
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