短語(yǔ)詞組短語(yǔ)fine mix silt bond 細(xì)粉粒粘結(jié)fine particle silt 細(xì)顆粒泥沙fine mix silt 細(xì)沙cohesionless fine -silt layer 無(wú)凝聚性細(xì)粉砂層fine silt dam 粉細(xì)砂垻very fine silt 極細(xì)粉砂aquifer of fine silt 粉細(xì)砂含水層fine silt sand 粉細(xì)砂fine silt in xiamen 廈門海積砂 返回 fine silt