1、
Regrind should always be kept clean, dry and uniformly mixed with the virgin material.
次料应经常被保持乾净, 乾燥和均匀地与新料混合.
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2、
When possible, the regrind source shall be the scrap generated by the molding process in question.
在可能时, 再研磨来源应由有关成型过程中产生的废料.
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