grand calorie canal大运河
the ancient grand canal古运河
grand canal improvement board督办运河工程总局
grand canal engineering bureau运河工程局
Grand Canal in Yangzhou扬州古运河
Wuxi Grand Canal无锡古运河
the grand canal bridge京杭运河特大桥
Tongzhou Grand Canal通州运河
The Grand Canal运河;古运河;大运河
The highest grade region is centered around Taihu Lake and the lowest grade region is centered around Hongzehu Lake. The gradient axis is the Grand Canal.
高梯度区以太湖为中心，低梯度区以洪泽湖为中心，其轴线为京杭大运河。
参考来源 - 现代化进程中区域经济非均衡与协调发展The Grand Canal as the north and south transportation aorta, once had played the huge role in the history.
大运河作为南北的交通大动脉,历史上曾起过巨大的作用。 大运河的全线贯通,促进了运河沿岸城镇的迅速发展。
参考来源 - 大运河与济宁城市审美文化研究