In the Songhua River water system, the winter always lasts about six months every year.
在松花江水系，每年都要面临半年左右的冬季。
Zhaoyuan section is the frontage of monitoring water quality of Songhua River main stream.
松花江肇源江段是松花江干流水质监测的前哨。
Zhaoyuan section is the frontage of monitoring water quality of Songhua River main stream.
松花江肇源江段是松花江干流水质监测的前哨。
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