smooth-faced

1. Preparation process of smooth-faced hammer powder paint
   绵绵漆粉末涂料的制备工艺
2. The results indicate that high sphericity and smooth-faced alumina based ceramic microspheres can be obtained by twice sintering process.
   结果表明：采用二次烧成工艺可以获得球形度高、表面光滑的氧化铝基微球。

adj

1. lacking hair on the face
   1. a smooth-faced boy of 14 years

   Synonym:    beardless