Sanitary fumigant, poisonless and smokeless, can clean and refresh air effectively.
卫生熏香, 无毒、无烟, 清新空气有特效.
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吸烟或者使用无烟烟草增加罹患口腔癌, 牙龈炎, 牙周炎以及龋齿的风险.
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含有较多氮的硝化纤维, 极具爆炸性, 用于制造无烟火药.
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Low-nitrogen combustion technology, smokeless and odorless, without harmful gas.
无二次污染低氮燃烧技术, 无烟,无臭, 无有害气体.
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Smokeless-tobacco companies target young people by distributing samples in nightclubs and at rodeos.
无烟烟叶公司把推销目标对准青年人,在一些夜总会和牧人竞技表演场所散发试尝品.
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Electrical mosquito-repellent incense , poisonless and smokeless, keeps you safe and sound.
电热 蚊香, 无毒、无烟, 保君平安.
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A research on combustion properties adjustment and control for smokeless Nitramine Propellant
硝胺无烟改性双基推进剂燃烧性能调节及控制规律的初探
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旅游业被称为“无烟工业”,“无形的贸易”,是全球新兴产业之一。
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