To measure the straightness, erect the workpiece on the measuring block placed on the surface plate.
To measure the straightness, erect the workpiece on the measuring block placed on the surface plate.
测量直线度时，将工件竖放在放置于平板上的测量块上。
To measure the straightness, erect the workpiece on the measuring block placed on the surface plate.
测量直线度时，将工件竖放在放置于平板上的测量块上。