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metallic valve stem packing
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:2026-03-23 02:32:34