12. Ventilated acetate tow filters
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12. Ventilated acetate tow filters圖片（共2張） :

        The ventilation or air dilution of cigarette smoke results in an overallreduction in smoke delivery. Both particulate delivery and vapor-or gasphase deliveries are reduced,generally in direct proportion to the level ofventilation. Diluting air can be intr......（本文共 2515 字, 2 張圖）     [閱讀本文] >>