undercurrent是什么意思

网络释义

用法例句

Based on the analysis of existing problems inherent treatment process,a modified process of IC/traditional activated-sludge method/U-BAF was put forward.

为此,对现有处理工艺存在的问题进行了分析,提出了IC/传统活性污泥法/U形流BAF替代工艺,试验结果表明,该工艺处理后的最终出水满足排放标准。

A new U type flow meter was used to evaluate the rheological behavior of cement paste and mortar with high fluidity, and the experiment was mainly carried on the flow time of the mortar.

设计了U型流动仪以测定大流动性水泥净浆与砂浆的流变学特性 ,并通过改变水灰比、减水剂掺量、骨料与浆体的质量比等参数 ,检验了该流动仪的有效性、敏感性及其适用范围 。