Longjin River is on the upper reaches of the north branch of Jiulong River.

龙津河处九龙江北溪上游，目前有百分之九十以上的监测断面总磷超标。

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Longjin River is on the upper reaches of the north branch of Jiulong River.

龙津河处九龙江北溪上游，目前有百分之九十以上的监测断面总磷超标。

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