zhè / pī / fěn / mò / de / lì / jìng / bǐ / jiào / jūn / yún / shì / hé / zhí / jiē / shǐ / yòng

这批粉末的粒径比较均匀，适合直接使用。

The particle size of this batch of powder is fairly uniform, so it can be used directly.