The feasibilities of small-radius pipe-bender made in china are demonstrated in technique.
对小半径弯管国产化的可行性，作了技术论证。
2
Through the research of the simulation method of pipe bend forming in pipe-bender, it have important purpose for design and development of new products of pipe forming.
通过对管材弯曲成形过程的数值模拟方法的研究，对管材成型产品的设计和新产品的开发具有重要的意义。
3
Hydraulic pipebender is the important equipment for piping construction.