preliminary contact

英 [preliminary contact]
美 [preliminary contact]

中文释义

[电] 前动接触

单词分析

单词结构：

preliminary contact

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：preliminary contact
  • 核心含义：[电] 前动接触

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更新时间：2026-01-30 01:07:10