钢管制造；
介绍了一种新的冶金结合复合钢管制造工艺及工业应用情况。
A new manufacture process and application instance of metallurgy integrated complex steel pipe is introduced.
车底踏板采用高级合金制造，车杆和后轮盖（刹车）刹车采用高强度钢管制造，美观坚固。
The pedal of its bottom is made of advanced alloy, and the pole and rear-wheel cover are made of high strength steel tube, which looks quite beautiful and firm.
应用推荐