Newly built railways open to traffic totalled 896 km, electrified railways, 1,916 km, and double-track railways, 551 km.是什么意思_Newly built railways open to traffic totalled 896 km, electrified railways, 1,916 km, and double-track railways, 551 km.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句