A steel frame which is fixed to the sea bed to support the platform of an oil rig or similar marine structure.
| 单词 | θ211967 | 
| 释义 | society > occupation and work > workplace > places where raw materials are extracted > oil rig > 			[noun]		 > steel frame supporting platform (1)		 jacket1958 A steel frame which is fixed to the sea bed to support the platform of an oil rig or similar marine structure. | 
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