基本解释[材料科学]全烧镁石词组短语短语dead -burned magnesite powder 高温烧结镁砂high purified dead -burned magnesite 涵义高纯烧结镁砂hghly purfied dead -burned magnesite 涵义高纯烧结镁砂dead burned high -iron-magnesite 镁铁砂dead-burned magnesite更多词组专业释义材料科学全烧镁石