This procedure is repeated whenever a tool joint must pass by a ram BOP.
当工具接头需要通过闸板型防喷器时，就必须不断地重复上述步骤。
The ram BOP is the most important equipment for secondary well control, quick to shut in the well, and of a high pressure rating.
闸板防喷器关井速度快、耐高压，是二级井控最重要的设备。
In this way, the undesired factors causing sealing failure during each link can be avoided to ensure a safe and reliable application of ram BOP.
通过各个环节的把关，消除闸板防喷器密封失效的不利因素，保证闸板防喷器使用安全可靠。
The various ram blocks can be changed in the ram preventers, enabling the well team to optimize BOP configuration for the particular hole section or operation in progress.
闸板防喷器中不同的闸板块可以更换，能够使井队优化防喷器的外型，对于某一特殊的井眼部分或者作业进程。
Have BOP ram opened up for internal inspection.
打开防喷器闸板进行内部检查。
Have BOP ram opened up for internal inspection.
打开防喷器闸板进行内部检查。
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