rare earth polishing powder
常见例句
- The method of producting rare earth polishing powder was studied. The effects of technological conditions such as roasting, additive, time and so on were discussed also.
研究了高鈰稀土拋光粉的制備方法，竝討論分析了制備過程中， 溼式粉碎時間、 燒成條件和添加劑等因素的影響作用。 返回 rare earth polishing powder