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零件批量加工的簡(jiǎn)易專用量具設(shè)計(jì)及使用01-06外徑長(zhǎng)度量規(guī) |
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點(diǎn)評(píng)
被測(cè)合格尺寸21.5∽21.71之間,如果減0.01,被測(cè)尺寸屬于廢品,而誤認(rèn)為合格。加0.01人仍在合格范圍內(nèi)。
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