短語詞組短語roof crossrail [車輛]頂蓋橫梁Programmable Crossrail 可編程橫導(dǎo)軌Elevating and lowering speed crossrail 橫梁陞降速度Moving crossrail with three guideways 動(dòng)橫梁三導(dǎo)軌 返回 crossrail