论文部分内容阅读
此量具可在孔的表面定出孔的中心线位置,从而能测量出孔距,或者孔与其他位置的距离。它是利用一枚钢球在孔内定心而进行测量。
The gauge determines the centerline position of the hole on the surface of the hole so that the hole pitch, or the distance between the hole and other locations, can be measured. It is measured using a steel ball centered in the hole.