Mechanical parts used on的意思|示意

A lot of springs were used in the laying of track parts. In order to ensure the quality of spring, on-line detection of parts mechanical size is needed.

弹片是铺设地铁轨道大量用到的零件，为保证弹片的质量，需要在线检测工件的机械尺寸。

At present, electronic power steering and brake-by-wire has a number of European models have been used in this system has been reduced a lot of mechanical parts such as hydraulic pumps and so on.

目前，电子动力方向盘和线控刹车已经在一些欧洲车型上被采用，在这个系统中已经削减了相当多的机械部件，如液压泵等。