subsea completion system

例句：

1. 1. The subseacompletion system is crucial for the safe operation of offshore oil and gas platforms.
   海底管道系统对于海上石油和天然气平台的安全生产至关重要。
2. 2. The subsea completion system has greatly improved the efficiency of drilling operations in deep water.
   海底管道系统极大地提高了深水钻井作业的效率。
3. 3. The subsea completion system consists of a series of pipes and valves that are buried beneath the seabed.
   海底管道系统由一系列埋藏在海床下的管道和阀门组成。