短語(yǔ)詞組短語(yǔ)potassium m feldspar 鉀長(zhǎng)石potassium feldspar powder 鉀長(zhǎng)石粉Potassium feldspar - Constituents 鉀長(zhǎng)石成分dissolution of potassium feldspar 鉀長(zhǎng)石的溶解 返回 potassium feldspar