These stockings are seconds and have some slight defects.
这些长筒袜是次品，稍有微疵。
I bought these shoes cheaply because they have slight defects in them.
这双鞋我买得很便宜，因为鞋上有些小毛病。
Slightly Unacceptable product: it refers to the unit product that has one more general or slight defects, but without fatal or severe defects.
轻不合格品：有一个或一个以上一般缺陷或轻微缺陷，但不包含致命和严重缺陷的单位产品。
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