concrete shaft lining

英 [concrete shaft lining]
美 [concrete shaft lining]

中文释义

混凝土直井衬壁

单词分析

单词结构：

concrete shaft lining

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：concrete shaft lining
  • 核心含义：混凝土直井衬壁

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更新时间：2026-01-18 06:50:35