A.作為基準(zhǔn)B.安裝C.裝配D.作記號
A.0.1~0.2mmB.0.2~0.3mmC.0.1mmD.0.5~1mm
A.0.01~0.02mmB.0.1~0.2mmC.0.2~0.4mmD.0.06~0.08mm