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Polishing brush, polishing method, polishing device, manufacturing method for glass substrate for magnetic disk.
抛光刷，抛光方法，抛光装置及磁盘用玻璃基板的制造方法。
youdao
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Polishing brush, polishing method, polishing device, manufacturing method for glass substrate for magnetic disk.
抛光刷，抛光方法，抛光装置及磁盘用玻璃基板的制造方法。
youdao