求翻译：轻微的阀座损伤可以仅通过阀瓣与阀座对研来修复，严重的损伤可能需要通过特殊的研磨工具或对阀座进行再加工，然后再通过阀瓣与阀座对研来修复。是什么意思？

The minor seat damage can only be through the valves and valve seat on the research to repair serious injury may need special grinding tools or the seat re-processing, and then research to repair valves and valve seat.

Minor damage to the valve seat only through the valve and valve seat work together on research to fix, and the serious injury may need to grind through the special tool or the valve seat, and then through to the valve seat clapper to R&D to fix.

The slight valve seat damage may only to grinds through the valve petal and the valve seat repairs, the serious damage possibly needs carries on the retreatment through the special abrasive tools or to the valve seat, then again to grinds through the valve petal and the valve seat repairs.

Seat damage can only slightly developed through the valve flap and valve seat repair, serious damage may require a special grinding tools or to rework the seat, and then through the valve flap and valve seat facing up to fix.

正在翻译，请等待...