jack-ups is jack-up's Plural Form

jack-up

US 
UK 
  • n.上涨；(海上钻探石油用的)自升式钻塔
  • Web自升式装置
Plural Form：jack-ups  

E-C

E-E

Web Definition

n.
1.
〈美口〉增加,上涨
2.
(海上钻探石油用的)自升式钻塔

Sample Sentence

Definition:
AllAll,上涨上涨,自升式钻塔自升式钻塔,自升式装置自升式装置
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard