英语词汇“invention of improvement”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	invention of improvement
释义	invention of improvement [专利] 改进（性）发明
随便看	telescopefeed telescope-feed telescope-feed joint telescope fey telescopefish telescopefishes telescope flint telescope flint glass telescope fork telescope holder telescope house telescope jack telescope jib-type container crane telescope joint telescopelevel telescope level telescope magnifier combination telescope magnififer combination telescope mast telescope mirror telescope mount telescope nose telescope objective telescope objectives lenses Telescope Peak 抶抷抸抹抺抻押抽抾抿ちゅうやけんこうちゅうやけんこう【昼夜兼行】ちゅうゆちゅうゆ【注油】ちゅうゆうちゅうゆう【忠勇】ちゅうようちゅうようちゅうよう【中庸】ちゅうよう【中葉】