jack

  • jack - 艏旗;千斤頂;[鑽油臺]升降機
  • jack bolt - 千斤頂螺栓;頂起螺栓
  • jack knife;Jack knife - 水手刀
  • jack ladder;Jack ladder - 繩梯;軟梯;細梯
  • jack screw - 螺旋千斤頂
  • jack screw - 螺旋千斤頂
  • jack staff - 艏旗桿
  • jack staff - 艏旗桿
  • jack stay - 旗索;撐桿
  • jack stay - 旗索;撐桿
  • jack yard - 輔助帆橫桁;縱上帆斜頂桿
  • jack yard topsail - 四角斜桁帆
  • jack-up barge type drilling rig - 頂舉駁船型鑽井平臺
  • jack-up load - 頂升負荷;[自升式平臺]樁腿負荷
  • jack-up rig - 升降式鑽井平臺;導升裝置
  • jack-up rigs - 升降式鑽井裝置
  • jack-up test - 頂舉試驗

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