union three-way cock

英 [union three-way cock]
美 [union three-way cock]

中文释义

管套三向旋塞

单词分析

单词结构：

union three-way cock

字母数：20

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🎯 重点记忆：

  • 单词拼写：union three-way cock
  • 核心含义：管套三向旋塞

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更新时间：2026-04-13 16:59:23