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工件的自动识别可分为工件()的自动识别和工件姿态与位置的自动识别...
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在进行音响设备设计时,为了体现薄、精密、高档,可以运用()处理,...
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焊接低碳钢或普低钢时,选用电焊条的基本原则是()A、等强度原则B、经济性原则C、可焊性原则D、施工性原则...
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十大原始误差中热变形、内应力变形、()、磨损属于动误差。...
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在铁碳合金平衡结晶过程中,只有成分为0.77%C的合金才能发生共...
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在正交平面中测量的刀具角度有()和(),它们的符号分别是()和(...
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零件的批量越大,加工阶段划分越细。有时在单件小批量生产时,将粗、...
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