The advantage and forming of open slitting pass used in Angle steel rolling have been introduced.
介绍了在角钢轧制中，开口切分孔型的优点和构成，并对开口及闭口切分孔进行了受力分析比较。
The slitting and creasing mechanism can be proided, hence printing, slitting and creasing can be accomplished in one pass.
可选加分纸压线机构，一次性可完成水性印刷、分切、压痕工序。
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