According to usage the top of flange surface minor faults proceed experiment and study, thought it do not affect HR H-beam.

通过对热轧H型钢翼缘端部表面瑕疵进行试验、研究，认为翼缘端部表面瑕疵不影响热轧h型钢的使用。

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Caution: the sealing surface for the diaphragm on the top flange of the valve body receives special factory preparation to enhance sealing with PTFE diaphragms.

警告：用于阀体法兰上的隔膜的密封面在工厂受到特殊的处理，以强化聚四氟乙烯隔膜的密封性能。

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The formulas for calculating top limitation of drawing originated from the deformation limits on the flange and the wall of cylindrical articles are developed.

从圆柱形零件的凸缘上和壁上的允许变形出发，获得了极限拉伸程度的计算公式。

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