- 磨石: sharpening stone; hone; mill ...
- 研磨石轮: millstone
- 火石轮: grinder
- 石轮碾: block mill
- 磨石: [工业] sharpening stone; hone; millstone; grit; quernstone; rub stone; rubberstone; grindstone; edge stone; rotten stone; whet slate; holystone; mill stone; buhr; bur; burstone; burrstone; pulpstone
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