指出在生产这类复杂零件时，要将缸体渗漏废品率控制在0.5%以下时，铁液中铅的含量要控制在0.0008%以下。
It points that the lead tolerance in molten iron should be under 0.0008% if the reject rate is controlled under 0.5% in casting the complicated engine cylinders.
铝材灯饰零件对镀层光亮度和结合力有着比较高的要求，采用电镀加工方法废品率高。
The excellent brightness and cohesion of the plating layer are needed for aluminium lamp finishing parts.
采购产品钢和不锈钢产品和零件，废品率，钢，铝废料，废铁，木材，废纸。
Steel and Stainless Steel Products and Components, Scrap, Steel, Aluminium Scrap, Scrap Iron, Wood, Scrap Paper.
采购产品钢和不锈钢产品和零件，废品率，钢，铝废料，废铁，木材，废纸。
Steel and Stainless Steel Products and Components, Scrap, Steel, Aluminium Scrap, Scrap Iron, Wood, Scrap Paper.
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