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ultra-high-purity helium atmosphere
ultra-high-purity helium atmosphere
英
[ultra-high-purity helium atmosphere]
美
[ultra-high-purity helium atmosphere]
中文释义
高纯度氦气氛[层]
单词分析
单词结构:
ultra-high-purity helium atmosphere
字母数:35
记忆提示
🎯 重点记忆:
单词拼写:ultra-high-purity helium atmosphere
核心含义:高纯度氦气氛[层]
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更新时间:2025-12-11 21:09:52