railway freight car oil

[railway freight car oil]
[railway freight car oil]

中文释义

铁路用粗润滑剂;车箱润滑剂

单词分析

单词结构:

railway freight car oil

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:railway freight car oil
  • 核心含义:铁路用粗润滑剂;车箱润滑剂