barrel polishing

基本解释

• [機] 滾筒拋光

英汉例句

雙語例句

• '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.
  “保險點縂沒壞処吧，”河鼠沉吟著說，他把一支槍筒在袖子上擦得鋥亮，順著槍琯察看。
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专业释义

機械工程

• 滾筒清理
• 滾筒拋光