China's coal mines for safety management at the moment, the problems, analysis of foreign coal mine safety management experience, established a coal business risk pre-control system.
针对我国煤矿现阶段在安全管理方面存在的问题，分析国外煤矿安全管理经验，建立了煤矿企业的风险预控系统。
Risk spot analysis pre-control theory is a new method that is found out by electric workers in practice.
危险点分析预控理论，是电力职工从反事故的实践中摸索出来的新方法。
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。
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。
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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