弯制各类钢管，槽钢，扁钢，角钢，工字钢，钢轨等型钢。

Bending all kinds of steel pipe, channel steel, flat steel, Angle, I-beam, such as steel rails.

youdao

弯制各类钢管，槽钢，扁钢，角钢，工字钢，钢轨等型钢。

Bending all kinds of steel pipe, channel steel, flat steel, Angle, I-beam, such as steel rails.

youdao