expense of technical innovation and examination

[expense of technical innovation and examination]
[expense of technical innovation and examination]

中文释义

技术革新及试验费

单词分析

单词结构:

expense of technical innovation and examination

字母数:47

记忆提示

🎯 重点记忆:

  • 单词拼写:expense of technical innovation and examination
  • 核心含义:技术革新及试验费