special coal tar pitch

[special coal tar pitch]
[special coal tar pitch]

中文释义

[材] 特种煤焦沥青

单词分析

单词结构:

special coal tar pitch

字母数:22

记忆提示

🎯 重点记忆:

  • 单词拼写:special coal tar pitch
  • 核心含义:[材] 特种煤焦沥青