Expounded in this paper are the development process,main technical parameters,structure,performance features and testing of the removable roof box cars.
阐述了活顶棚车的研制过程、主要技术参数、结构性能及试验情况。
Copyright © 2022-2024 汉字大全www.hanzidaquan.com All Rights Reserved 浙ICP备20019715号