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磨料磨具
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Encyclopedia
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磨料磨具
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abrasives and abrasive products
磨料磨具
磨料和磨具的总称。磨料是在磨削、研磨、抛光、钻切等机械加工过程中起切削作用的颗粒状或粉粒状无机非金属晶体材料。磨具是以磨料为核心切削材料制成的用于磨削、研磨、抛光、钻切等加工的定形或不定形复合材料工具。
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political thought of Han Yu
political thought of He Qi
political thought of Hong Xiuquan
political thought of Huang Zongxi
political thought of Huan Tan
political thought of Jia Yi
political thought of Ji Kang
political thought of Kang Youwei
political thought of Lao Tzu
political thought of Liang Qichao
political thought of Liang Shuming
political thought of Li Ao
political thought of Li Hongzhang
political thought of Li kui
political thought of Lin Zexu
political thought of Li Si
political thought of Liu Shipei
political thought of Liu Zongyuan
political thought of Li Zhi
political thought of Lu Jia
political thought of Lu Jiuyuan
political thought of Lu Zhi
political thought of Ma Jianzhong
political thought of Mohist School
political thought of Ouyang Xiu
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