wagon density的意思|示意
美 / /
英 / /
wagon density相关短语
1、 density of wagon flow 车流密度
wagon density相关例句
In this paper, new wagon wheel grain configuration has been suggested in order to improve rocket's concentration and propellent loading density.
该文针对提高火箭密集度及装填密度的要求，设计了双辐条轮孔装药药型。