Because the CERTIS system is set without string rotation or mechanical movement, operations are faster and involve less risk, especially in subsea environments.

使用CERTIS系统无需旋转或机械活动管串，作业速度更快，相关风险更小，尤其适用于水下环境。

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Because the CERTIS system is set without string rotation or mechanical movement, operations are faster and involve less risk, especially in subsea environments.

使用CERTIS系统无需旋转或机械活动管串，作业速度更快，相关风险更小，尤其适用于水下环境。

youdao