She was polishing tools.

她正在擦拭工具。

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Deburring polishing tools brush in diameter than the choice, generally by processing aperture big 5 ~ 15% can.

去毛刺抛光工具刷在直径的选择上，一般比被加工孔径大5 ~ 15%即可。

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The structural surfaces are not easy to be finished by polishing tools. A new method of precision finishing based on low viscosity liquid-solid two-phase abrasive flow was provided.

针对结构化表面不易采用工具实现精密光整加工的问题，提出了一种基于低黏度液-固两相磨粒流的精密光整加工新方法。

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Man-made diamonds have traditionally been used for manufacturing process such as cutting and polishing tools.

FORBES: Lab-Grown Diamond Brand Taps Young, 'Rebellious' Crowd