焊接加工變形的基本形式有收縮變形、角變形、彎曲變形、波浪變形和扭曲變形等。焊接過程中,對(duì)焊件進(jìn)行不均勻加熱和冷卻,...
就要找有實(shí)力的廠家
Custom paper bag to find the strength of the manufac
凱宇激光 ? 多年專注激光焊接一體化的服務(wù)商
11 years of focus, paper for your bag to more bus
Nissan paper bag 50,000, urgent single 5 days del
Several well-known strategic partners
Service team, one-to-one after-sales service