海底钻井平台将寻找石油的区域延伸到了海洋大陆架——大陆边缘那些平缓倾斜的海底区域。
Offshore drilling platforms extend the search for oil to the ocean's continental shelves—those gently sloping submarine regions at the edges of the continents.
在爆炸发生后两日，钻井平台沉入海底，连接海床油井的输油管道破裂。
Two days after the explosion, the rig sank to the ocean floor, and a pipe connected to the well on the sea floor broke.
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