ballast-tamping or cleaning railway car的意思|示意
美 / /
英 / /
轨道车辆的压实或清洁
ballast-tamping or cleaning railway car的网络常见释义
铁道道渣夯具或清洗车 ballast-tamping or cleaning railway car铁道道渣夯具或清洗车 Railway Technical Research Institute of JapaneseNational Railway日本国营铁路铁道技术研究所 ..