Qhov muag tsis pom rivets nrov vim lawv nruab sai thiab yooj yim;lawv tsim muaj zog txhim khu kev qha fastenings (yog hais tias lub mandrel tawg, lub rivet yog ntsia kom raug);lawv muaj kev vibration thiab tamper resistant;thiab cov rivets thiab cov cuab yeej installation tsis mars qhov chaw ntawm cov khoom raug koom nrog.
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