However, when heating the sample. Found jagged high to the next. If the oven is equal to 23.74 nm
are blowing hot air for 5 minutes, close to the workpiece is not heated, but after 10 minutes, the roughness of the workpiece to a higher value,
but returned. tends to decrease as the time to add time to blow hot air up
probably because of the heat in a long time, causing the particle film is tight, the higher the roughness of the surface is reduced.
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