英语词汇mandatory retrofitting怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	mandatory retrofitting
释义	mandatory — 义务 mandatory adj — 强制性的 adj • 法定的 adj retrofitting n — 加装 n retrofit v — 改造 v • 改型 v
随便看	Ibero American Summit Ibero American Summit i be satisfy ibese i be sent i be small i be sure I bet I bet I bet 2:1 for i bet 2:1 for I bet a i bet a i be there for you I be tired i bet it is i bet i will i bet on i better be a i better hope i better not ask i better not say I better stop here i bet that I bet the company

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

mandatory —