释义 |
Fenhe Reservoir 基本例句 汾河水库 The DCCA ordination of 95 attached diatom species three main headwater rivers of in 11 sampling points of Fenhe Reservoir was made and these points 4 groups indicating the water qualities of ? mesosaprobic, ? mesosaprobic, oligosaprobic and clean zone.对汾河水库3条主要水源河的11个样点95个着生硅藻进行DCCA排序;这11个样点可分为4组;分别指示水质属于-中污带、-中污带、寡污带和清洁带;DCCA第一轴可反映水体污染程度;第二轴反映河流的流速. This article introduces Fenhe reservoir rock plug blasting practice, which was carried out in the thick layer of silt underwater and chamber blasting plus drilling method was adopted.介绍了汾河水库泄洪隧洞进水口岩塞爆破的方案,该隧洞既在水下又在较厚淤泥下,因此采用了洞室加钻孔爆破方案。 the upper-reach of Fenhe reservoir汾河水库上游 the upstream area of Fenhe Reservoir汾河水库上游 upstream basin of Fenhe reservoir汾河水库上游流域 |