例句與造句

1. standard specification for fluoropolymer micropowders
   含氟聚合物微粉的標準規(guī)范
2. application of agitatior mill in graphite micropowders preparation
   精細研磨機在石墨微粒子制備工藝中的應用
3. It's difficult to find micropowders in a sentence. 用micropowders造句挺難的