It is an important method for scientific management of tracks to inspect track defects, direct track maintenance operation, and measure dynamic quality of tracks by maintenance car.

利用轨道检查车检查轨道病害，指导线路维修作业，评价轨道动态质量，是实现轨道科学管理的重要方法。

youdao

Other than blowing up a tyre I hadn't done any car maintenance.

除了给一个轮胎充气外，我没有做过任何汽车保养。

《柯林斯英汉双解大词典》

Careful maintenance can extend the life of your car.

精心保养可延长汽车寿命。

《牛津词典》

Let's support this program by encouraging our friends and neighbors to finally retire that guzzler and help the country with the purchase of a cleaner, lower maintenance car for the future.

CNN: Commentary: Why 'Cash for Clunkers' works

Proper car maintenance means a car should look as good as it runs.

FORBES: Zen And The Art Of Keeping Your Car Looking Beautiful

It is difficult to include things like haircuts and car maintenance in figures for internet sales.

BBC: Mall v internet: Can ecommerce conquer the Middle East?