When the Deepwater Horizon sank, this riser collapsed and folded in on itself, but did not sheer off from the blowout preventer.
当钻井平台下沉时，立管倒塌，自动弯折，但不会转离防喷器。
When the Deepwater Horizon sank, this riser collapsed and folded in on itself, but did not sheer off from the blowout preventer.
当钻井平台下沉时，立管倒塌，自动弯折，但不会转离防喷器。
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