校正环规编号规格编号规格177-2201mm177-17716mm177-2221.1mm177-13317mm177-2251.2mm177-28620mm177-2271.3mm177-13925mm177-2301..4mm177-28830mm177-2361.75mm177-14035mm177-2392mm177-29040mm177-2422.25mm177-17845mm177-2082.5mm177-14650mm177-2462.75mm177-29260mm177-2483mm177-31462mm177-2503.25mm177-14770mm177-2523.5mm177-31675mm177-2553.75mm177-29480mm177-2044mm177-31887mm177-2574.5mm177-14890mm177-2055mm177-296100mm177-2635.5mm177-298125mm177-2676mm177-300150mm177-2716.5mm177-302175mm177-2757mm177-304200mm177-1258mm177-306225mm177-12610mm177-308250mm177-28412mm177-310275mm177-13214mm177-312300mm