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查看详情ThispartofGB/T37400specifiesthegeneralrequirementsandunspecifiedtolerancesformachining,andputsforwardspecificrequirementsforkeyways,holediametersandspacing,centralholes,unspecifiedsurfaceroughnessandallowabletoolshapes.
Thispartisapplicabletothemachiningofheavymachineryparts[WTBZ].[WTF2]Themachiningofotherpartscanalsobecarriedoutbyreference.