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zengxiaodong 发表于 2022-6-12 08:47
zengxiaodong 发表于 2021-2-5 21:10 格里森和奥利康可以磨齿,用开口杯形砂轮
zengxiaodong 发表于 2021-2-6 11:33 这个是属于成形磨还是展成磨?我认为是成形磨
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