Our pure Cobalt plate has typical purity grade of 99.95% -99.999%, the PTF can reach 85% and above, Grain size is typically within 100 microns.是什么意思_Our pure Cobalt plate has typical purity grade of 99.95% -99.999%, the PTF can reach 85% and above, Grain size is typically within 100 microns.在线翻译_英语_读音_用法_例句