In an effort to reduce the number of fires started by cigarettes, a major tobacco company is test-marketing a cigarette in which thin layers of extra paper are used to decrease the amount of oxygen entering the cigarette, thereby slowing the rate at which it burns and lowering the heat it generates.
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2006-8-15 06:15:00
