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In this paper, trial - manufacture and application of sandwich structure on diamond drill bit were studied.
采用 冷压 成型夹层和加灰(过渡层)热压烧结法制备了一种夹层结构金刚石钻头.
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Uses the special die head , may the diamond drill bit agglutination on the lining.
采用特殊模头, 可以将水钻粘合在面料上.
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