흡연측정기는호흡시인체내일산화탄소의농도(ppm)를보아서흡연상태를측정하는원리로성인은1.7ppm을넘으면청소년0.8ppm을넘으면‘상습흡연자’로분류합니다^^
[무물보AI] 답변 로딩중...