activity mixing material的用法和样例：
- It is considered that the porous silicon rock powder is a good natural active mixing material and is able to make mixing material portland cement or composite portland cement.
- Use: Feed grade VD3 powder can be appended in the feed mix material.
- The blender is used to mix material for fruitcandy and nougat production by air-charging process.
- After industry application,the mix material carbon and granule segregation were overmatched the roller style and the sintering index were improved.