micro powder

• 微粉

micro powder的用法和样例：

例句

1. The silica powder toughened is an electrician filler of toughness epoxy for epikote developing.
   增韧硅微粉是为增韧环氧树脂而研制开发的一种电工级专用填料。
2. The impact on the pozzolanic effect by the fineness of superfine slag powder is changed with content.
   掺量不同，火山灰效应受矿渣微粉细度的影响也不同。