短語詞組短語plastic c clay 可塑粘土plastic organic clay 塑性有機(jī)黏土plastic refractory clay 塑性耐火粘土plastic silty clay 塑性粉質(zhì)粘土low plastic soft clay 低塑性軟粘土fluid plastic like clay soil 流塑狀粘性土soft plastic clay 軟塑土hard plastic clay layer 硬塑黏性土層semi -plastic clay 半輕質(zhì)粘土 返回 plastic clay