leaded number
英 [ˈledɪd ˈnʌmbə(r)]
美 [ˈledɪd ˈnʌmbər]
加铅数；乙基化汽油的辛烷值
双语例句
- Special research in deformation law of time-dependent of super-large cross-section tunnel leaded to establishment of the mathematical model of tunnel deformation law, and put forward the concept of equivalent stake number.
对特大断面隧道的变形时变规律进行了专题研究，提出了计算桩号的概念，建立了隧道变形规律的数学模型。