bismuth lead alloy seal

英 [bismuth lead alloy seal]
美 [bismuth lead alloy seal]

中文释义

铅铋合金密封

单词分析

单词结构：

bismuth lead alloy seal

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：bismuth lead alloy seal
  • 核心含义：铅铋合金密封

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更新时间：2026-04-13 23:48:55