micropowder

例句：

1. 1.The micropowder is used in the production of various electronic devices.
   微粉用于生产各种电子设备。
2. 2.The micropowder was mixed with water to form a paste.
   微粉与水混合形成糊状物。
3. 3. The micropowder was applied to the surface of the material to improve its strength.
   微粉被施加到材料表面以提高其强度。