基本解释[经济学]京津走廊英汉例句权威例句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语Beijing -Tianjin Mega-corridor 京津大城市走廊beijing-tianjin corridor更多词组专业释义经济学京津走廊