etching pit的用法和樣例：
例句
- The ice etching method was adapted to duplicate the form of grains in microvilli membrane.
採用冰凍蝕刻法複製微絨毛膜膜內粒子形態。 - With the continuousgrowth of electronic technology, photochemical etching tech-nology has expanded into many new application fields and aproduction scale is formed.
介紹了光化蝕刻的由來和傳統工藝流程中五種掩膜的製作方法及四種現代的光化蝕刻法流程及其應用範圍。
