短語(yǔ)詞組短語(yǔ)Qingzang railway passenger car 青藏鐵路客車urban railway passenger car 城市客運(yùn)軌道車輛railway passenger car air -conditioning 鐵道客車空調(diào)Qinghai -Tibet plateau railway passenger car 青藏高原鐵路客車 返回 railway passenger car