classification

  • classification - 入級；船級
  • classification certificate - 船級證書
  • classification conditions - [船舶]入級條件
  • classification for ice strengthening - 耐冰航行船級
  • classification of hull - 船體入級
  • classification of machinery - 機器入級
  • classification of steel vessel - 鋼船入級
  • classification process - 入級程序
  • classification society - 船級協會
  • classification survey - 船級檢驗

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