GB/T 39974-2021钢水测氧用镁稳定氧化锆陶瓷元件标准
英文:Magnesium partially stabilized zirconia ceramic element for oxygen measurement in molten steel GB/T 39974-2021介绍: 国家标...
英文:Magnesium partially stabilized zirconia ceramic element for oxygen measurement in molten steel GB/T 39974-2021介绍: 国家标...