规格TYPE(mm) | 工作面平面度 Flantness of working surface | V型槽对测面平行度 Parallelism between V slot and bottom surface | V型槽对测面平行度 Parallelismbetween V slot and side surface | V型槽对两侧面的对称度 Symmetry between Vslot and side surface | V型槽侧面对端的 Squareness between Vslot and end surface | V型槽对底面垂直度 Squareness between V slot and bottom surface | 一对V型块对底面的高度差 Height difference of the Vslot with in amatched pair |