基本解釋[交通運(yùn)輸工程]明火作業(yè)英漢例句雙語(yǔ)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.焊接及在船上動(dòng)明火須事先得到海事局的許可，并在其監(jiān)督下作業(yè)。blog.sina.com.cnworking with naked fire更多例句專業(yè)釋義交通運(yùn)輸工程明火作業(yè)