Strontium ferrite is an important permanent magnetic material,but making the strontium ferrite slurry with high solid content and low viscosity is very difficult.是什么意思_Strontium ferrite is an important permanent magnetic material,but making the strontium ferrite slurry with high solid content and low viscosity is very difficult.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句