Railway: a 2,867km operational mileage of national railways; electrification rate: 67%; All main railway lines in the province are electrified.是什么意思_Railway: a 2,867km operational mileage of national railways; electrification rate: 67%; All main railway lines in the province are electrified.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句