over and under type的意思|示意
美 / /
英 / /
上下型
over and under type的网络常见释义
升降式 ... 升降式发射装置 elevator-mounted launcher 升降式 elevation type; over and under type （升降式）电梯 elevator ...
over and under type相关例句
The structure of slide rail over and under type skid bed drawing steel rail has been introduced, and the strength and rigidity of main load -bearing slide rail have been calculated.
介绍了攀钢轨梁厂钢轨收集装置——滑轨升降式拉钢台架的结构，并计算了主要受力构件滑轨的强度和刚度。