The manufacturing industry often uses the shearing and punching processes to cut the metal sheet into circular blanks.
制造行业经常采用剪切和冲裁工艺将金属板材切成圆形毛坯。
The effect on bearing capacity of lengthwise ribs was inapparent, but which can effectively improve the pile rigidity, efficiently reduce circular rib's punching failure.
纵肋对提高桩体承载力的作用并不明显，但可有效提高桩体的刚度，助于缓减环肋的冲切破坏。
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