最終更新日:2022/12/24

The sheets of alpha paper which have been grained are first dipped in soft acetate remaining there for three minutes. They are dried in an oven and made ready for impregnation with hard acetate.

音声機能が動作しない場合はこちらをご確認ください
編集履歴(0)

Sentence quizzes to help you learn to read

編集履歴(0)

ログイン / 新規登録

 

アプリをダウンロード!
DiQt

DiQt(ディクト)

無料

★★★★★★★★★★