Luanhe River in Qianan 滦河迁安段
Luanhe Estuary 滦河口
Luanhe delta 滦河三角洲
Luanhe river 滦河
Luanhe riverhead 滦河源区
Luanhe raw water 滦河原水
Luanhe River Delta 滦河三角洲
There are 29 rivers and streams, Luanhe River 51 kilometers throughout the county.
境内有大小河流29条，滦河流经全县51公里。
The efficiency of algae removal by four algaecides for Luanhe River water was studied.
研究了四种杀藻剂对引滦水中藻类的去除效能。
In 2001 ~ 2005, 1 810 specimens of mosses were collected in the upper reaches of Luanhe River and identified.
于2001 ~ 2005年在滦河上游地区共采集藓类植物标本1 810份，并对标本进行了整理鉴定。
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