basic slag鹼性爐渣學術名詞鹼性熔渣:化學術語、肥料學、鑄造學鹼性渣:材料科學、金屬材料鹼性碴:礦冶工程基本熔渣:機械工程英文釋義slag produced in making steel; low in silica but having large amounts of calcium phosphate; useful as fertilizer