Its reliability research is an important task that optimizing the mine ventilation design, guarantee safe production and daily management.

其可靠性研究是优化矿井通风设计，保障安全生产和日常管理的一项重要任务。

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Define the task, content, and evaluating index of production logistics management.

指出生产物流管理的任务、内容和衡量指标。

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For some problems of drawings management in collaborative production, the drawing versions integrated model and task assignment algorithm is raised.

针对生产协同中图档管理的若干问题提出了图档版本集成模型和任务分配算法。

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