jack-up
/ˈdʒækʌp/(亦作jack-up rig)
noun
1
- an offshore drilling rig the legs of which are lowered to the seabed from the operating platform（海上钻探石油用的）自升式钻塔。
2
- NZ informal a dishonest or underhand way of achieving something〈新西兰, 非正式〉欺骗手段。