technical reform of railway

[technical reform of railway]
[technical reform of railway]

中文释义

铁路技术改造

单词分析

单词结构:

technical reform of railway

字母数:27

记忆提示

🎯 重点记忆:

  • 单词拼写:technical reform of railway
  • 核心含义:铁路技术改造