MTRCL needs a further extended portion of 460 metres to allow the Airport Railway and Tung Chung Line to operate at full design capacity.是什么意思_MTRCL needs a further extended portion of 460 metres to allow the Airport Railway and Tung Chung Line to operate at full design capacity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句