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GB1183-75《表面形状和位置公差术语及定义》中指出:“形状公差和位置公差可以是独立公差或者是相关公差”。为了反映不同的设计要求,划清是否允许的补偿界线,这是完全必要的。
GB1183-75 “surface shape and position tolerance terms and definitions” states: “shape tolerance and position tolerance can be independent tolerance or related tolerances.” In order to reflect different design requirements, it is absolutely necessary to draw a clear line of allowance for compensation.