边角料：在抛光研磨的操作中，从毛胚件上被去除的多余钢材。

RIB STOCK : Extra steel left on green product to be ground during the finish grind operation.

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水痕纹属细微时，打蜡抛光可治好；严峻时需研磨或喷漆。

Water mark pattern is minor, waxing and polishing to cure severe grinding or painting.

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钨铬钴合金面阀座，经过研磨抛光达到镜面抛光度。

Seat face Stellited, ground and lapped to a mirror finish.

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阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。

Seat face Stellited, ground and lapped to a mirror finish.

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阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。

Seat face Stellited, ground and lapped to a mirror finish.

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