The remaining portion of the metallic post is projected from the insulating resin layer to form a protrusion. 金属芯柱的其余部分从绝缘树脂层伸出以形成凸起。
No watermark on a non-verbal-visual part of the silicone rubber layer easily scratched, Downdraft, expose their monlchamus photographicsensitive resin layer. 无水印版上否图文局部的硅橡胶层便当被划伤，而露不入其下吸不朱的感陡树脂层。
