日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

pig iron

pig iron是什么意思、pig iron怎么讀

pig iron漢語(yǔ)翻譯

【化】 生鐵

pig iron英語(yǔ)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(jì)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(shè)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(cuò)