base runoff是什么意思

用法例句

The paper illustrates the geological features, regularity of occurrence and enrichment, source of the gold and mineralization mechanism of the conglomerate gold deposit, and puts particular emphasis on the action of the underflow during the process of mineralization.

叙述了产于上侏罗统砾岩型金矿的矿床地质特征、赋存与富集规律、金的物质来源和砾岩金的成矿机理，侧重阐明了“底流”对砾岩金形成的作用。

Over low bottomhole pressure will decrease oil exchange ratio.

结果表明对于Samaa油藏,CO2吞吐是一种有效的开发方法;过低的井底流压会降低换油率;CO2吞吐最佳焖井时间为16d左右,吞吐以不超过3个周期为佳。