helium summation test

英 [helium summation test]
美 [helium summation test]

中文释义

设备内)充氦[探漏]试验

单词分析

单词结构：

helium summation test

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：helium summation test
  • 核心含义：设备内)充氦[探漏]试验

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更新时间：2026-02-02 10:49:48