宽座角尺刀口角尺万能角度尺组合角尺可精确测量工件内角、外角的垂直偏差,其技术要求符合国家标准。Thewide-baseanglesquarescanbeusedtoaccuratelymeasuretheverticalitydeviationoftheinternaanglesandexternalanglesofworkpieces,andtheirtechnicalspecificationsconformtoGBstandard.No.Specificaltions级别Class940-0140 630,1,2-0280 125-03125 200-04200 315-05315 500