It's very difficult to make the volume of blank material and bulk of closed cavity equal because of all kinds of influence of factors for no-draft closed-forging.
对于无飞边闭式模锻，由于各种因素的影响，很难使坯料体积与闭式模膛的容积恰好相等。
It's very difficult to make the volume of blank material and bulk of closed cavity equal because of all kinds of influence of factors for no-draft closed-forging.
对于无飞边闭式模锻，由于各种因素的影响，很难使坯料体积与闭式模膛的容积恰好相等。
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