And 8, the same line, also used on the 7th line of the Commonwealth by the Alcatel wireless communications-based train control system (CBTC).是什么意思_And 8, the same line, also used on the 7th line of the Commonwealth by the Alcatel wireless communications-based train control system (CBTC).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句