高光滑度的表面。
能使成球辊成形出的铜球整体圆整度好，表面光滑无突，致密度优异并且成球效率高，以及在成球过程中没有材料损耗。
The ball forming process has high efficiency and no material loss, and the formed ball has high sphericity, smooth surface and high density.
能使成球辊成形出的铜球整体圆整度好，表面光滑无突，致密度优异并且成球效率高，以及在成球过程中没有材料损耗。
The ball forming process has high efficiency and no material loss, and the formed ball has high sphericity, smooth surface and high density.
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