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powder metallurgy anti-friction materials
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powder metallurgy anti-friction materials
Encyclopedia
工学
粉末冶金材料
释
powder metallurgy anti-friction materials
粉末冶金减摩材料
采用粉末冶金技术制造,具有低摩擦系数的金属材料,或金属和非金属的复合材料。又称烧结减摩材料。
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Court attendants attached to the camps
court banquet music
Court Beauties on an Outing
Court Collection of Paintings and Calligraphy on Buddhist and Taoist Themes
Court Collection of Paintings of Qing Dynasty
court conference
court dance
Courtesan Mu Suhui
Courtesan Novel
Courtesan Zhang Haohao by Du Mu
court gentleman
Courtillot Vincent
Court Jew
court ladies preparing newly woven silk
Court Ladies Wielding Fans
court mediation
Court of Arbitration for Sports
Court of Colonial Affairs
Court of Justice of the European Union
Court of Palace Attendants
Court of State Ceremonial
Court of the Imperial Clan
Court of the Imperial Stud
court of the national granaries
Court Opera Prefecture
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更新时间:2026/11/4 21:29:27