海河水系
- 网络Hai River System
海河水系-
流经北京市的主要河流有：永定河，以及朝南流向属于海河水系的潮白河。
Major rivers flowing through the municipality include the Yongding River and the Chaobai River , part of the Hai River system , and flowing in a southerly direction .
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在这个广阔的疆域中，包括黄河水系、海河水系、山东半岛水系、淮河水系和长江水系等五大水系，还包括很多山脉。
In this vast territory , including five major river systems of the Yellow River drainage , the Haihe River drainage , the Shandong Peninsula drainage , the Huaihe River and the Yangtze River drainage , but also a lot of mountain .