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我厂生产的拖拉机转向节,部分尺寸如图1所示,要求φ30_0~(+0.002)mm 孔与轴线的位置度不大于0.5mm。
I plant the production of tractor steering knuckle, part of the size shown in Figure 1, requires φ30_0 ~ (+0.002) mm hole and the axis of the position of not more than 0.5mm.