through turnout in main direction的意思|示意
美 / /
英 / /
主方向通过道岔
through turnout in main direction的网络常见释义
直向过岔 直逆向过岔列车与桥上道岔耦合振动影响因素分析 关键词：桥上无缝道岔；列车；直向过岔；振动 [gap=1741]Key words: seamless turnout on bridge; train; through turnout in main direction; vibration