热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

pig iron

pig iron是什么意思、pig iron怎么讀

pig iron漢語翻譯

【化】 生鐵

pig iron英語解釋

名詞 pig iron:

  1. crude iron tapped from a blast furnace

pig iron例句

  1. He asked us how much pig iron we could produce per day and calculated with us how much we could put out in a year.
    他問我們每天能生產(chǎn)多少生鐵,又跟我們一道計算一年內(nèi)能生產(chǎn)多少。
  2. A furnace in which pig iron is converted into steel by the Bessemer process.
    煉鋼熔爐一種通過酸性轉(zhuǎn)爐法將生鐵練成鋼的設備
  3. Pig iron used as permanent ballast.
    壓載鐵做為永久性壓艙物的生鐵
  4. Pig iron is converted into steel by removing most but not all the impurities.
    生鐵變成鋼要除掉大部分而不是全部的雜質(zhì)。
0
糾錯