HGL：液压坡度线

英文缩写词HGL的例句

1. An open flume with a constricted flow which causes a drop in the hydraulic grade line; used in flow measurement.
2. 我试着翻译一下：工程应用，一条带有紧缩口而引起压力差的水槽，通常用于流量测量。
3. The study of hydraulic grade line is an important project in navigation engineering.
4. 在航道的整治设计中，对水面线的研究一直是一个重要课题。
5. According to the result of the statistical characteristic analysis, author applies SPRT method to identify the transition flow and the hydraulic grade line method to leak localization in experiment pipe.
6. 3根据对试验中水力参数的统计特性分析结果，论述了SPRT法对过渡流的识别和压力梯度法进行漏点定位在输水管道中的应用，并在试验管道中得以验证，收到较好的效果；
7. For open channel constant nonuniform flow which has local holdback, the research considering the change of hydraulic grade line after the loss of local water head is less at present, and the expression of the loss of local water head is not unified either.
8. 对于有局部阻碍的明渠恒定非均匀流，考虑局部水头损失后的水面曲线变化的研究目前比较少，局部水头损失的表达式也不统一。
9. This fact is not convenient for defining coefficient of the loss of local water head in unison, neither convenient for considering qualitative analysis of the variation regularity of hydraulic grade line of open channel constant nonuniform flow after the loss of local water head.
10. 这不仅不便于统一确定局部水头损失系数，也不便进行考虑局部水头损失后的明渠恒定非均匀流水面曲线变化规律的定性分析。