barrel polishing

基本解释

• [机] 滚筒抛光

英汉例句

双语例句

• 'It's as well to be on the safe side, ' said the Rat reflectively, polishing a pistol-barrel on his sleeve and looking along it.
  “保险点总没坏处吧，”河鼠沉吟着说，他把一支枪筒在袖子上擦得锃亮，顺着枪管察看。
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专业释义

机械工程

• 滚筒清理
• 滚筒抛光