underpull jack

英 [underpull jack]
美 [underpull jack]

中文释义

抽油机垂擉装置

单词分析

单词结构：

underpull jack

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：underpull jack
  • 核心含义：抽油机垂擉装置

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更新时间：2026-01-25 19:59:51