測管外徑千分尺編號規(guī)格115-1150-25mm分度值0.001mm單R115-11625-50mm115-2150-25mm雙R115-21625-50mm數(shù)顯測管外徑千分尺編號規(guī)格395-2510-25mm分辯率0.001mm單R395-25225-50mm395-2710-25mm雙R395-27225-50mm測管外徑千分尺編號規(guī)格115-3020-25mm分度值0.01mmA型115-30325-50mm115-3080-25mmB型115-30925-50mm115-3150-25mmC型115-3160-25mmD型數(shù)顯測管外徑千分尺編號規(guī)格395-2610-25mm分辯率0.001mmA型395-2620-25mmB型395-2630-25mmC型395-2640-25mm,D型