keep-alive contact
查询英语单词中文释义、音标、发音和例句。
keep-alive contact
英
[keep-alive contact]
美
[keep-alive contact]
中文释义
电流保持接点;保弧触点
单词分析
单词结构:
keep-alive contact
字母数:18
记忆提示
🎯 重点记忆:
- 单词拼写:keep-alive contact
- 核心含义:电流保持接点;保弧触点
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更新时间:2026-09-01 10:26:14