短语词组短语siliceous soil 硅质土壤siliceous rocks 硅质岩类;硅质岩Siliceous Schist 硅质片岩siliceous spicules 硅质骨针Siliceous lime 钙质石灰;含硅石灰siliceous aggregate 硅质骨料siliceous cyst 硅质胞siliceous impurity 硅杂质siliceous earth 硅质土 返回 siliceous