名词
中文翻译：磨削粉
同义词：
['sandpaper', 'grinding paste']
例句：
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1.The engineer used a milling pitch to smooth the surface of the machine.
工程师使用磨削粉来平滑机器的表面。
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2.The carpenter needed to use a milling pitch to sand down the edges of the wood.
木匠需要使用磨削粉来打磨木材的边缘。
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3. The painter used a milling pitch to prepare the surface for painting.
画家使用磨削粉来准备表面以便绘画。