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出典:Wikipedia
出典:『Wikipedia』 (2011/07/01 07:52 UTC 版)
A jack-up rig is a type of mobile platform that is able to stand still on the sea floor, resting on a number of supporting legs. The most popular designs use 3 independent legs, although some jackups have 4 legs or more. On "mat-type" jackups the legs are connected to a submerged hull.
jack-up rig