释义 |
relative density ˌrelətɪvˈdensəti 短语¹⁰⁶¹⁰⁰⁺⁵ 基本英英例句 n.相对密度
Noun: the ratio of the density of something to the density of a standard用作名词The analysis indicates that micropacking silica fume works to the density andrelative densityof RPC, and its pozzolanic effect helps the strength of RPC.硅灰的微填充效应有利于提高活性粉末混凝土的密度和相对密度,而火山灰效应有利于提高其强度。 |