提出了保证端面密封可靠性的措施。
The measures were put forward to assure the reliability of end face seal.
液力端采用硬密封结构，密封可靠性好。
The sealing of the hydraulic head is very reliable due to its hard sealing design.
本补偿器采用多道密封结构，确保密封可靠性，30年免维护。
The compensator has multiple sealing structure to ensure the reliability of sealing. It does not need maintenance for 30 years.
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