metallic valve stem packing

英 [metallic valve stem packing]
美 [metallic valve stem packing]

中文释义

阀杆金属填密

单词分析

单词结构：

metallic valve stem packing

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：metallic valve stem packing
  • 核心含义：阀杆金属填密

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更新时间：2026-02-02 19:25:25