corner double seam 锁缝角接接头
double seam welder 双层缝焊机
top double seam 罐头二重卷封
DOUBLE NEEDLE FELL SEAM 双针埋夹 ; 单针埋夹
double seam end 二重卷封盖二重卷封底
double seam submerged-arc welded pipe 双缝埋弧焊钢管
double seam double seaming 二重卷封
double standing seam 双重立式缝
double-seam 双重封罐法
The heating and other technical characteristics as well as procedure parameters are introduced in this paper for bicycle wheel - tyre double seam high speed welding.
介绍了自行车车圈双面双缝高速次级整流缝焊新工艺、新设备，并对其加热特点、技术要点及焊接参数等问题进行了探讨。
A new process of high speed seam welding with secondary rectification for double seam possesses good weld quality, high welding speed, smooth bead and low consumption features.
双缝高速次级整流缝焊是一项新工艺，具有焊接质量好、焊接速度快、焊缝表面光洁及能耗低等优点。
Double-seam is the most important link in canning manufacture technical process, and the seam roller is one of the most core and important components on the can seamer.
二重卷边是金属罐制造工艺流程中最重要的环节，卷封滚轮是封罐机上最核心、最重要的零件之一。
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