grade ii standard hardness block

英 [grade ii standard hardness block]
美 [grade ii standard hardness block]

中文释义

二级标准硬度块

单词分析

单词结构：

grade ii standard hardness block

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：grade ii standard hardness block
  • 核心含义：二级标准硬度块

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更新时间：2026-02-06 08:15:05