大家在查：卡亚克 2010年11月7号外存霜害迈克尔·莱 9月23日5时19分 •萨利希 corrugate zhongmingloujin Chelem

封河

v.close a river pave

封河

封河

1

Ice jam is a serious ice regime in the river of north China , which is formed generally during ice flow and frozen -up .

冰塞是我国北方河流较严重的冰凌现象，一般形成于流凌封河期。

2

Ground resistivity technique measurement for ice jam early warning at freeze-up period of the Yellow River

黄河封河期冰凌预警地电测试技术研究

3

Research on Ice Jam Flood of Wanjiazhai Reservoir and HydrologicalRegulation Plan in Initial Freeze-up Period

万家寨水库凌情特点及初始封河期调度方案研究

热词推荐

大家在看