open-double-j butt weld

英 [open-double-j butt weld]
美 [open-double-j butt weld]

中文释义

un. 双面J形坡口焊

单词分析

单词结构：

open-double-j butt weld

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：open-double-j butt weld
  • 核心含义：un. 双面J形坡口焊

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更新时间：2026-02-03 05:00:40