精製

精制
jīngzhì
refined

CEDICT

  1. (attributive) refined (purified, reduced in or freed from impurities)
  2. refined (purified, reduced in or freed from impurities)
  3. to make with extra care; to refine

Wiktionary

  1. 精密製造
  2. 利用化學物理方法物質中的雜質除去蒸餾再結晶稱為純化」 。

重編國語辭典

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