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protective hydrogen atmosphere
protective hydrogen atmosphere
英
[protective hydrogen atmosphere]
美
[protective hydrogen atmosphere]
中文释义
un. 氢保护气氛
单词分析
单词结构:
protective hydrogen atmosphere
字母数:30
记忆提示
🎯 重点记忆:
单词拼写:protective hydrogen atmosphere
核心含义:un. 氢保护气氛
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更新时间:2026-03-15 09:15:09