最終更新日:2024/07/29

Hexamethylenetetramine is commonly used as a curing agent in phenolic resins.

正解を見る

Hexamethylenetetramine is commonly used as a curing agent in phenolic resins.

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

★★★★★★★★★★