该设备主要用于U型钢拱形支架使用后发生变形、扭曲或局部破损的整形工作，以增加型材的复用次数。

The equipment is mainly used for the shaping work of U-shaped steel arch support when it deforms, distorts or partial damages, to increase the number of profiles in the re-use.

youdao

该设备主要用于U型钢拱形支架使用后发生变形、扭曲或局部破损的整形工作，以增加型材的复用次数。

The equipment is mainly used for the shaping work of U-shaped steel arch support when it deforms, distorts or partial damages, to increase the number of profiles in the re-use.

youdao