日期:
来源:雅诚德英语网
The invention discloses a cold bend forming method of an excircle sharp angle of cold bend section steel, belonging to the technical field of cold bend forming.
本发明的冷弯型钢外圆尖角的冷弯成型方法,属于冷弯成型技术领域。
The invention discloses a cold bend forming method of an excircle sharp angle of cold bend section steel, belonging to the technical field of cold bend forming.
本发明的冷弯型钢外圆尖角的冷弯成型方法,属于冷弯成型技术领域。