The polypropylene used for makingcigarette filters was prepared with the process of free radical graft copolymerization in order to raise the selfadhesive power and surface energy of the PP.
用自由基化学接枝共聚的方法制作聚丙烯香烟滤材,以提高其表面能,增加自粘性。
2
Official cigarette monitors roamed the province making sure that people hit their cigarette targets and fining those who dared to smoke other brands.
官方的检查人员到全省各地随机检查以确保人们抽的是指定的品牌、谁敢抽别的牌子将被罚款。
3
Many specialise in making complex and valuable equipment for factories, such as cigarette-rolling machines or printing presses.