短語詞組短語silty -sand 粉砂土地基silty fine sand 粉質細沙;粉質細砂pelitic silty -sand 淤泥質粉砂silty find sand 粉細砂hydraulic filled silty fine sand 水力吹填粉細砂silty and fine sand 粉細砂aeolian silty sand 風成粉砂silty sand WESTBANK 細泥砂silty sand layer 粉沙層 返回 silty sand