Protogyakonov's coefficient of rock strength

英 [Protogyakonov's coefficient of rock strength]
美 [Protogyakonov's coefficient of rock strength]

中文释义

普氏岩石强度系 数

单词分析

单词结构：

Protogyakonov's coefficient of rock strength

字母数：44

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🎯 重点记忆：

  • 单词拼写：Protogyakonov's coefficient of rock strength
  • 核心含义：普氏岩石强度系 数

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更新时间：2026-02-06 03:47:11