In this paper, studying on computer aided sizing design system of piloted relief valve, expatiate on the capacity of operation, principle of movement and how to choose the parameter when sizing.
本论文通过对石油化工行业先导式泄压阀的计算机辅助设计选型系统的研制，阐述了先导式泄压阀的操作性能、动作原理及选型时的参数选择。
The accumulation of the anionic trash in paper stock causes a lot of problems to the wire operation and the properties of the sheet, particularly the paper sizing performance.
阴离子垃圾的积累给纸机网部抄造及纸的性质带来很多影响，尤其是纸张施胶效果。
The algorithm has high operation speed and can be suitable to large-scale production demand because nice tube sizing scheme can be obtained with this algorithm in which special strategy is adopted.
由于作者设计的算法能得到少而优的排料方案并且采取了特定的策略，故使得本算法具有较高的运算速度，能适合较大规模的生产要求，表现出较好的优越性。
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