花岗石（大理石）V型块花岗石（大理石）V型块的规格及精度等级：规格工作面平面度V型槽对底面平行度V型槽对侧面平行度V型槽对两侧而到称度V型槽侧面对端面垂直度V型架侧面对底面垂直度一对V型块对底面的高度差精度等级um0101010101010163X63X90°1.5348488168848510100X100X90°2448488168848510160X160X90°2.5551051010201010510612http://lj.com/huagangshi/23.html)