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Dimensioning general composite solids 组合体的尺寸注法 1.Selection of dimension datum选定尺寸基准 ()Dimension datum尺寸基准 Dimension datum indicates common starting position of related dimensions 尺寸基准是指尺寸的起始位置,是度量尺寸的起点。 There should be at least one dimension datum for each of the three principal directions for length,width and height of the composite solid. 组合体在长、宽、高三个方向上至少都要有一个尺寸基准。 Height datum 高度基准亿) Width datum Length datum 宽度基准Y) 长度基准心) 请点击鼠标左键显示后面内 9 1. There should be at least one dimension datum for each of the three principal directions for length, width and height of the composite solid. Length datum 长度基准(X) Height datum 高度基准(Z) Width datum 宽度基准(Y) (1) Dimension datum indicates common starting position of related dimensions
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