Wheel wear is a concern on most metro systems.
对大部分地铁系统来说车轮磨损事关重大。
Wheel chairs wear out and are expensive and require maintenance.
轮椅磨损和本身的价格以及维护费用。
A similar system has also been developed for checking wheel wear.
相似的系统也用于检查车轮的磨损情况。
A similar system has also been developed for checking wheel wear.
相似的系统也用于检查车轮的磨损情况。
应用推荐