The paper mainly deals with the analysis and design of coal sales management system of YuanBaoShan open pit coal mine.
本文主要对元宝山露天煤矿煤炭销售管理系统进行了分析及设计。
参考来源 - 元宝山露天煤矿煤炭销售管理系统设计与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
用有限元方法进行应力分析及设计保持井眼稳定的泥浆密度。
Porous fluid pressure are also presented by using permeable mechanics method. Finite element model and stress analysis program are developed.
本文主要对元宝山露天煤矿煤炭销售管理系统进行了分析及设计。
The paper mainly deals with the analysis and design of coal sales management system of YuanBaoShan open pit coal mine.
传统的齿轮精度分析及设计既耗时又难以保证设计的精度和质量。
The traditional gear precision analysis and design work is not only time-cost , but also hard to acquire higher precision and quality .
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