处理物转移 铜箔处理层氧化物转移到基材上的现象表面铜箔被蚀刻掉后残留在基材表面的黑色褐色或红色痕迹
The phenomenon of oxide transfer from the copper foil treatment layer to the substrate refers to the black, brown or red marks remaining on the substrate surface after the surface copper foil is etched off
以上为机器翻译结果，长、整句建议使用 人工翻译 。