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压料器与制件压料面太小或无压料器将导致冲压件产生翘曲。...
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Tuesday, September 13, 2022
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对轿车零件A.级面的质量要求,下列描述错误的是()。A、无起皱,无破裂B、无冲击线,无滑移线C、零件刚性可不考虑...
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