Socket clevis is forgeable iron, hot galvanizing. spring catch bronze or stainless steel.
碗头挂板为可锻铸铁件，热镀锌。弹簧销为青铜件或不锈钢件。
Function : be applicable to the technics of hardening and tempering heating treatment of batch cast, forgeable piece and auto parts .
用 途：适用于批量性的铸、锻件、汽车配件的调质、正火热处理工艺。
This paper shows that Chen - Zhu's scheme is universally forgeable, that is, the group authority can forge a valid group signature on an arbitrary message, which stands in any group member.
该文认为该方案是全局可伪造的，群管理员可以对任何消息假冒任何成员生成有效的群签名。
This paper shows that Chen - Zhu's scheme is universally forgeable, that is, the group authority can forge a valid group signature on an arbitrary message, which stands in any group member.
该文认为该方案是全局可伪造的，群管理员可以对任何消息假冒任何成员生成有效的群签名。
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