With the amount of the metal taken away many of the polished nuts need to choose the type of crude. Should start the polisher in the angled shape.Select a certain particle size and the hard polishing tool and then reselect the tool according to the hardness decreases. Select the polishing tools have the average hardness and coarse particle size, then choose descending.
đang được dịch, vui lòng đợi..
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