英语语法分析

When the rig sank, the riser broke near the top while remaining attached to the blowout preventer at the bottom.

当钻井平台下沉时，立管在顶部附近的地方断裂，同时另一端仍与底部的防喷器相连。

The next approach to the well will focus on the top of the blowout preventer.

下一个对付漏油井的办法将关注于防漏装置的顶部。

A variety of schemes to either block up or seal off the blowout preventer are in development.

多种封闭或密封防喷装置的方案也在构思之中。