borehole sectional s

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borehole sectional steel drilling
英 [borehole sectional steel drilling]
美 [borehole sectional steel drilling]

中文释义

[矿业] 接杆凿岩

单词分析

单词结构：

borehole sectional steel drilling

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：borehole sectional steel drilling
  • 核心含义：[矿业] 接杆凿岩

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更新时间：2026-09-23 00:15:34