measuring wheel meaning in English

测量轮，计量轮
测轮

It would lead to much more errors and complex scanning structure set . measuring wheel set flange by digital camera needed confirming rim inside plane by special object . it was difficult to measure running wheels because data transmission speed was slow
数码相机测量轮对踏面形状的方法，需要用试块接触内侧面进行定位，另外数码相机的拍摄和传输速度一般均较慢，难以用于转动中轮对踏面的测量。