凹底平车 well wagon
well ear
depressed center car
- 文摘:介绍了D15型凹底平车的主要技术参数、技术性能特点、用途、结构、试验及使用维护等情况。
Abstract: Described are the main technical parameters,technical performance characteristics,usage,structure,test,operation and maintenance for the D15 type 150 t depressed center flat car.