HC2264-92表4mm螺栓孔公称轴径0DD23203030215180149330404018243405050245210175860603506565203707028024037080802328909095335295259390951001004001101104053553122529410120120430130130460410363表5mm螺栓孔hi公称轴径d0DD23303030272301901492334040405027022017537060606565380707030025020325293908080909040025995953603102410100100110110420425370312:3034120120440130130485430363164