maintenance improvement

• 检修改进

maintenance improvement的用法和样例：

例句

1. After the improvement, mine slurry leakage from the imported seal and blocking in the siphon is eliminated to avoid the mine slurry waste and reduce maintenance times.
   改进后，消除了进口密封漏矿浆及弯管内堵矿问题，避免了矿浆浪费，减少了检修次数。