问答详情-The difference between drawing die entrance area, lubrication area

问答详情-The difference between drawing die entrance area, lubrication area

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The difference between drawing die entrance area, lubrication area

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The difference between drawing die entrance area, lubrication area

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0086299725

0086299725 2017-11-23 13:31:16

The entrance area may more small when drawing ,otherwise lubrication area.And they uauslly have a diffirent angle between them.
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