特点：同时熔接并装有超高灵敏火花保护装置，压出的成品压线平滑，不泛白，切边圆滑，手感极佳。
Characteristics: meanwhile, welding and equipped with super-high sensitive spark protection device, press the finished product line pressing smooth without oily white, trimming sleek and feel good.
设计了切边圆盘剪剪切力测试装置，并对剪切力进行现场测试。
A cutting-edge disc shear force testing equipment was designed, and shear force was tested.
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