北江是珠江水系主要干流之一,其支流深入山区农村和少数民族地区,是粤北的水上交通要道。解放前,北江礁石密布,浅滩重重,航道既不整治又不疏浚,且沿河设卡抽税,致使北江航运濒于断航。解放以后,在党和政府的领导下,广大航道工人、干部、技术人员先后进行了大规模的航道普查,对北江及共70多条支流共长2,100多公里的航 The Beijiang River is one of the main rivers in the Pearl River Basin. Its tributaries flow deep into the rural areas and ethnic minority areas of the mountainous areas, and are the main water transportation routes in northern Guangdong. Before the liberation, the Beijiang reefs are numerous and shoals are heavy. The watercourse neither remediation nor dredging, and the taxation and taxation along the river has caused the Beijiang River shipping to be cut off. After the liberation, under the leadership of the party and the government, the majority of waterway workers, cadres and technicians conducted large-scale waterway surveys successively, and more than 2,100 kilometers of flights to the Beijiang River and a total of more than 70 tributaries