The axial drawing ratio and hoop extension ratio should be properly matched.

轴向拉伸比和环向扩张比要合理匹配.

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The express - method of the limit drawing ratio evaluation is presented.

列出了确定极限拉伸系数的快速方法.

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Within a certain drawing ratio, the thermal inducement was favorable to forming the a - form.

在一定的拉伸范围内热诱导有利于形成a晶型.

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