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的有害成分和吸烟的害
,呼吁要控制吸烟。
粒而成的,粒状的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的有害成分和吸烟的害,呼吁要控制吸烟。
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