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POINTI/O系列具有适合于灵活及低成本应用场合的模块化I/O，是成功实现控制系统设计和操作的关键 1734 POINT I/O 模块 产品详情 ...

POINT I/O 系列具有适合于灵活及低成本应用场合的模块化 I/O，是成功实现控制系统设计和操作的关键。作为罗克韦尔自动化集成架构的主要成员，其完善的诊断功能和可组态特性使产品可应用于任何 自动化系统，并通过标准化设计降低工程成本。它可在远程设备 ...

Mr. Stein is an associate professor of history at York University in Toronto, the author of CITY OF SISTERLY AND BROTHERLY LOVES: LESBIAN AND GAY PHILADELPHIA (University of Chicago Press, 2000), the ...