短語(yǔ)詞組短語(yǔ)jointless turnout on bridge 橋上無(wú)縫道岔jointless switch on bridge 橋上無(wú)縫道岔jointless track on bridge 橋上無(wú)縫線路and Jointless bridge 橋梁伸縮縫jointless rail on bridge 橋上無(wú)縫線路new type jointless bridge 新型無(wú)縫橋梁innovative jointless bridge -approach system 新型全無(wú)縫橋梁體系fully jointless bridge -approach system 全無(wú)縫橋梁 返回 jointless bridge