The application of quality control spot in foundry reduces the scraps of cylinder block from 45.9% to about 20% of total scraps.
机体因造型紧实度差而产生的废品约占总废品的45.9%，应用质量管理点后下降到20%左右。
The application of quality control spot in foundry reduces the scraps of cylinder block from 45.9% to about 20% of total scraps.
机体因造型紧实度差而产生的废品约占总废品的45.9%，应用质量管理点后下降到20%左右。
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