jack up你是不是要查
jack-up
- IPA[ˈjakˌəp]
美式
- an offshore drilling rig the legs of which are lowered to the seabed from the operating platform
noun: jack-up, plural noun: jack-ups
- 釋義
名詞
- 1. an offshore drilling rig the legs of which are lowered to the seabed from the operating platform the company describes itself as a leading contractor of jack-up rigs jack-ups capable of drilling in water depths ranging between 30 and 300 feet