Research of Heterogeneous Type Piston Pin Boss Hole Closed Loop Processing System.

异型活塞销孔闭环加工系统研究；

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A strictly dynamic closed loop processing control flow chart was formed by means of global tracing, customer feedback and product improvement.

通过设计人员全程跟踪、反馈和改进，形成了完整的全过程闭环动态控制流程。

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This paper discussed PLC-FP0 and touch panel MT-500, and their design & application in digital closed loop current capacity real-time control system in dialysis water processing system.

介绍了松下电工微型PLC-FP0、台湾和可公司的MT-500触摸屏的特点，以及基于它们的数字闭环流量控制水处理系统的设计及应用。

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American Express says it is uniquely positioned to offer the service thanks to its "closed-loop" business model in which it acts as card issuer, merchant acquirer and payment processing operator.

BBC: Foursquare and Amex join forces in UK to offer discounts