Based on the Reynold's equations with the micro scale effects considered, a new kind of approximate algorithm for the inner flow of the spiral grooved gas seals was set up in this paper.

本文引用考虑微尺度效应的雷诺方程，推导出了考虑微尺度效应的螺旋槽干气密封内部流动的近似算法。

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The burden system of the dry materials forms closed-loop control through increase spiral electronic scale, weighing instrument.

干料配料系统增加螺旋电子秤、称重仪表，实现配料的闭环控制。

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At present, each sectionalization of large-scale spiral case is produced by NC cutting according to the outstretched plane of the curve of the sectionalization.

目前，大型水轮机金属焊接蜗壳各分节大多采用按各分节平面展开线轮廓进行数控切割加工。

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Although large-scale trafficking had been around for decades, the violence associated with the drug trade had begun to spiral out of control.

NEWYORKER: Silver or Lead