The introduce of the Pre-control chart is analysed and its format application rules and probability analysis are discussed in this paper.
本文分析了预控图的提出，论述了预控图的格式、使用规则和概率分析。
DESIGN: Retrospective analysis and self pre-and post-control observation.
设计：回顾性分析及自身前后对照观察。
Through engineering practice and theoretical analysis, the key points of quality and safe control in bonded post-tensioned pre-stressed concrete construction was presented in this paper.
本文通过工程和理论总结概述了后张有粘结预应力混凝土施工中质量与安全控制的要点。
Having the pre-bending forming simulation for tube material aim at the control bending condition of CNC bending machine, analysis the forming disfigurement and its' forming mechanism.
针对数控折弯机折弯工况，进行管材预弯成形模拟，分析成形缺陷及其产生机理。
Having the pre-bending forming simulation for tube material aim at the control bending condition of CNC bending machine, analysis the forming disfigurement and its' forming mechanism.
针对数控折弯机折弯工况，进行管材预弯成形模拟，分析成形缺陷及其产生机理。
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