应使用迅速挥发的切割油，并在切割后及时清洁。

Volatile oil should be used for cutting and promptly cleaned after cutting.

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需焊接或热切割的表面应排除所有可能会损坏焊材或母材的杂物，如脂、油、灰尘、水垢、熔渣和油漆等。

Surfaces to be welded or thermally cut shall be cleaned of all foreign material such as grease, oil, dirt, scale, slag and paint that would be detrimental to either the weld or base material.

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这枚卡地亚订婚钻戒重三克拉，黄金戒托，圆形切割。 倒是和凯蒂·佩里的肤色和甲油颜色很搭。

Perry's Cartier engagement ring boasts an estimated 3-carat round diamond set atop a yellow gold band.

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