光滑环规?标准： DIN 22502.0mm tmg675-02-0~~~~~2.2mm tmg675-02-2~~~~~2.5mm tmg675-02-552mm tmg675-52-02.8mm tmg675-02-855mm tmg675-55-03.0mm tmg675-03-058mm tmg675-58-03.5mm tmg675-03-560mm tmg675-60-04.0mm tmg675-04-062mm tmg675-62-04.5mm tmg675-04-565mm tmg675-65-05.0mm tmg675-05-068mm tmg675-68-06.0mm tmg675-06-070mm tmg675-70-07.0mm tmg675-07-072mm tmg675-72-08.0mm tmg675-08-075mm tmg675-75-09.0mm tmg675-09-080mm tmg675-80-010mm tmg675-10-082mm tmg675-82-011mm tmg675-11-085mm tmg675-85-012mm tmg675-12-088mm tmg675-88-013mm tmg675-13-090mm tmg675-90-014mm tmg675-14-092mm tmg675-92-015mm tmg675-15-095mm tmg675-95-016mm tmg675-16-098mm tmg675-98-017mm tmg675-17-0100mm 676-00-018mm tmg675-18-019mm tmg675-19-020mm tmg675-20-0