以下为句子列表:
英文: The paper introduced the welding repair process for the sealing surface of high-pressure valve board. It greatly improved the inlet high-pressure valves service life and obtained better economy benefits.
中文: 介绍了高压阀阀板密封面焊接修复的过程,经实际使用证明,该工艺方法行之有效,提高了进口高压阀的使用寿命,取得了较好的经济效益。
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