pit sand concrete的意思|示意
坑砂混凝土
pit sand concrete的网络常见释义
山砂混凝土 ... pit foundation 基坑 pit sand concrete 山砂混凝土 pit-retaining structure 基坑支护结构 ...
pit sand concrete相关例句
This paper introduced to found a strength formula of the pit sand concrete depend upon the statistical principle, as well as the selected table of the sand ratio and water content.
本文作者介绍了如何利用统计学原理建立山砂砼强度公式、合理砂率选用表及用水量选用表，并说明了如何利用这几项技术指标进行配合比设计。
They then built the sand pit initially with bricks, covered the bricks with concrete and then put small stones into the concrete to keep the natural appearance.
然后就是用砖块做沙坑，为了保持自然形态，在砖头上浇注了混凝土并铺上小石子。