10. The filter system
工業(yè)科技

10. The filter system圖片（共14張） :

        The evolution of cigarette filters can be traced through severalstages. The first step was probably the use of special tipping papers tokeep the cigarette from adhering to a moist lip. These papers were usually printed to simulate a wooden or cork appeara......（本文共 5926 字, 14 張圖）     [閱讀本文] >>