Railway sleepers of metal的意思|示意
美 / /
英 / /
金属铁路枕木
Railway sleepers of metal的网络常见释义
铁路金属枕木 ... 铁路金属护轨 Guard rails of metal 铁路金属枕木 Railway sleepers of metal 缆索铁道永久导轨用金属材料 Materials of metal for funicular railway permanent ways ...