We shall solve the key technology of such track traffic projects as subway and light-weight track so as to promote the structural adjustment of Beijing road system and passenger traffic line and reduce bus traffic pressure.是什么意思_We shall solve the key technology of such track traffic projects as subway and light-weight track so as to promote the structural adjustment of Beijing road system and passenger traffic line and reduce bus traffic pressure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句