... double filter device；二级滤清器装置 double flange；双法兰[凸缘] double flange roller；双缘滚轮 ...
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对夹，凸耳，双法兰和加长阀体类型。
本文提出了双法兰压圈的应力分析和有关公式的应用。
This paper deals with stress analysis of the dual-flange gland and application of the related formula.
从而可实现采用小吨位设备，制造出加工余量少的变截面带双法兰钢半球壳锻件。
This new method made it true to use light tonnage equipment to forge the half spherical steel shell with small metal allowance and variable sections.
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