摘要
应用杠杆原理,认真分析杠杆系统受力状况,以及结构。
Application of principles of the lever, a careful analysis of the situation by the lever system force ,and the impact of the trial of structure, size error of the parts and roughness of contacts surface
出处
《工程与试验》
2008年第B12期71-73,共3页
Engineering and Test
关键词
杠杆
结构尺寸
粗糙度
lever
size structure
roughness
