Qidong Changfeng Machinery Manufacturing co., Ltd. is located in the Yangtze River Delta economic zone, one hour of urban Shanghai economic circle - Qidong, Jiangsu Province.
启东长峰机械制造有限公司启东长峰机械制造有限公司位于长三角经济区，上海一小时都市经济圈——江苏省启东市。
Thereafter, the validity and practicability of the proposed method were demonstrated by the examples of traffic modal split of several cities in the economic circle of Yangtze River Delta.
最后以长三角经济圈部分城市之间的交通方式划分作为实例，说明了该方法有效可行。
Thereafter, the validity and practicability of the proposed method were demonstrated by the examples of traffic modal split of several cities in the economic circle of Yangtze River Delta.
最后以长三角经济圈部分城市之间的交通方式划分作为实例，说明了该方法有效可行。
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