Simply sand them down with a fine grade of sandpaper.

只要用细砂纸把它们打磨一下即可。

youdao

Specializing in high-grade copper floor drain, floor drain fine stainless steel, zinc alloy floor drain, basin water control, triangle valve production and sales.

专业从事高档铜地漏、精品不锈钢地漏、锌合金地漏、面盆下水器、三角阀系列产品生产与销售。

youdao

Poly edge of coffee in all kinds of Italian coffee, fine black coffee, imported high-grade steaks, specialty dishes, seafood.

聚缘咖啡主要经营各种意式咖啡、精致黑咖啡、进口高档牛排，特色中餐、海鲜等。

youdao

Every Aston-Martin body is sanded using hand-held orbital sanders with a 400-grade sanding disc, dampened with a fine mist of de-ionised water, and sanded again with 1000-grade discs.

FORBES: A Private Tour Of Aston-Martin's Factory

There are many states where an 8th grade education is considered fine.

FORBES: Bloomberg:Obama's Greatest Challenge is Education