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 advantage and forming of open slitting pass used in Angle steel rolling have been introduced.

youdao

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 advantage and forming of open slitting pass used in Angle steel rolling have been introduced.

youdao