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江西主要航道上的主要碍航浅滩,大多数为沙质浅滩。1973年采用了一种叫底墙的航道整治建筑物,先在抚河的两个沙质浅滩作试验,以后又在赣江的几个主要碍航沙质浅滩进行整治。
The main obstructed shoals on the main waterway in Jiangxi are mostly sandy shoals. In 1973, a kind of waterway improvement building called the bottom wall was adopted. After testing at two sandy shoal banks of Fuhe, it was rehabilitated in several major obstructed sandy shoals in the Ganjiang River.