The total rail length open to traffic in Guizhou amounts to more than 2500 km, including over 2200 km of electrification.是什么意思_The total rail length open to traffic in Guizhou amounts to more than 2500 km, including over 2200 km of electrification.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句