基本解释[經濟學]京津走廊英汉例句權威例句There is no sign that the Yangtze or Pearl River deltas, or the Beijing-Tianjin corridor further north, are running out of steam.ECONOMIST: The other Chinabeijing-tianjin corridor更多例句词组短语短語Beijing -Tianjin Mega-corridor 京津大城市走廊beijing-tianjin corridor更多词组专业释义經濟學京津走廊