释义 |
fine sand短语⁵⁶²⁹⁵ 基本例句 细砂 The skewness and bedding features are two combined good environmental indicators which can be used to discriminate further sub- facies either in medium coarse sand beaches or in fine sand beaches. 层理构造和扁度特征无论是在中粗沙,还是在细沙海滩都可以作为进一步划分各亚相环境的标志。 cnki The change of strength of resin bonded sand, when embedding the fine sand into the gap of coarse sand by using double sieve sands, has been calculated theoretically and investigated experimentally. 利用粗细双筛砂计算和实验,研究了铸造用硅砂的细砂颗粒嵌入到粗砂颗粒间后树脂强度的变化。 chemyq |