The paper discussed the necessity of mechanical sweeping and its trend etc.
清扫作业是公路养护工程的主要项目之一,而其机械化的进程也反映了国家科学技术发展的水平。
This paper deals with the principle about a new environmental protection type of bicycle sweeping away rubbish and the structural design of back shaft about the bicycle.
介绍了一种新型保洁清扫自行车的工作原理,并提出了后轴结构设计方案。
According to the stress complexity analysis of cleaning door, it was feasible opening cleaning door on the tank and design key point was put forward.
针对混合二乙苯储罐在生产中存在的问题,对混合二乙苯储罐罐壁和罐底板的应力进行分析计算和校核,根据清扫孔应力状况的复杂性分析,在混合二乙苯储罐开设清扫孔是可行的,并提出设计要点。