介绍了国内第一台转炉无水冷移动式防烟室设备的研制、结构特点、关键技术及使用效果。
The paper presents the development , structural characteristics, key technologies used and service effect of the first chinese built movable and water cooling less fume resisting device for convertor.
国家控烟办公室极力呼吁人们不要用香烟款待宾客或作为礼物馈赠他人。
The National Tobacco Control Office has urged people not to provide cigarettes to guests or give them as gifts.
二手烟雾指人们燃烧卷烟、比迪烟和水烟等烟草制品时产生，并弥漫在餐馆、办公室或其他封闭空间内的烟雾。
Second-hand smoke is the smoke that fills restaurants, offices or other enclosed spaces when people burn tobacco products such as cigarettes, bidis and water pipes.
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