A、close and seal around the drill pipe
B、close and seal around casing
C、cut off pipe inside the preventer stack
D、close and seal around drill collars
更多“The shear rams of a ship blowout preventer stack are used in emergency well control to（）.”相关的问题
A、The newly installed RAM has a lower clock speed than the existing RAM. B、The CPU is not configured to work with the additional RAM. C、The system is incompatible with the new RAM. D、The new RAM is of lower quality, and not dependable at higher speeds.
A、50 MB of available disk space and 128 MB of RAM B、100 MB of available disk space and 256 MB of RAM C、200 MB of available disk space and 512 MB of RAM D、300 MB of available disk space and 512 MB of RAM
A、The rams work inside cylinders B、The cylinders have glands sealing their open ends C、The rams are connected to a cross-head D、The cross-head is mounted on the rudder stock
A、Install heatsinks on the RAM modules. B、Install additional CPU fans. C、Replace the RAM slots. D、Install a heatsink on the chipset driver
A、A.The rams work inside cylinders B、B.The cylinders have glands sealing their open ends C、C.The rams are connected to a cross-head D、D.The cross-head is mounted on the rudder stock
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