By adopting the automatic submerged arc welding process, the main plunger which surface has been worn out on the heavy duty hydraulic press has been successfully repaired.

用埋弧自动焊方法成功地修复了表面磨损的大型压机主柱塞。

youdao

Changes in the hydraulic system like filtration of fluids, installation of additional back-up rings, reducing speed and temperature, improving surface finish, repairing worn-out glands.

象液体过滤在液压系统里的改变，增加安装一个止回环，减小速度和温度，改进表面，修复破损的密封管。

youdao