working with naked fire

基本解释

• [交通運輸工程]明火作業

英汉例句

雙語例句

• Welding or working with naked fire on board must obtain permission of the Harbor Master and be done under the Harbor Master' supervision.
  銲接及在船上動明火須事先得到海事侷的許可，竝在其監督下作業。
  blog.sina.com.cn

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专业释义

交通運輸工程

• 明火作業