Specifically, this meant both new rolling stock able to take more passengers at greater speed, and new signalling systems that can cope with trains running at 200 kph.是什么意思_Specifically, this meant both new rolling stock able to take more passengers at greater speed, and new signalling systems that can cope with trains running at 200 kph.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句