摘要
分析了目前公共场所广告装置的种类和特点，介绍了一种机械式圆柱形三翻广告机及其工作原理。
In this paper, the types and special feature of advertising equipment using in the public place at present are analyzed. According this, one type mechanical and cylindrical three-turn advertising machine and it's working principle are introduced.
出处
《山东建材学院学报》
1999年第2期172-173,共2页
Journal of Shandong Institute of Building Materials
关键词
三棱柱体
中心轴
扇形齿轮
广告机
机械传动
advertising brand
three-ridge cylinder
centrical axle
fanshaped gear
