磨合运转 meaning in Chinese

run in
run-in
running in

Don ' t drive your new car too fast until you ' ve run it in
新汽车未经磨合运转不要开得太快。
Aeroengine is the most important part of plane , it ' s structure is most complex , it require the highest precision and reliability , at the same time , the requirement on performance is strictest because of the worst work condition , engine condition monitor is the important measure to examine the engine performance , through the measure , we can do the performance adjustment and failure analyses to engine to improve quality of engine
航空发动机是飞机的重要组成部分，其结构复杂，精度和可靠性要求很高，同时其工作环境极其恶劣，容易受到各种干扰，因此对其性能要求非常严格。状态监测是发动机性能的重要检测手段，通过状态监测和试车工作可以对发动机进行性能调整、磨合运转和故障分析，最终达到提高发动机质量的目的。