通扬运河大桥施工过程的应力监控与探讨
Stress monitoring and discussion of Tongyang canal large Bridge construction process
过去人们一直认为长江三角洲的自然北界是通扬运河。
In the past , it was thought that Tongyang canal is the northern demarcation line of the Yangtzi River Delta in nature .
通扬运河