wall in advance of arched roof tunneling method

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中文释义

先墙后拱法

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单词结构：

wall in advance of arched roof tunneling method

字母数：47

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  • 单词拼写：wall in advance of arched roof tunneling method
  • 核心含义：先墙后拱法

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更新时间：2026-02-16 01:52:56