WDF PCB D 075 材料PCB層數1L板厚0.12mm銅厚1OZ尺寸100mm*100mm最小線寬線距4mil/4mil最小孔徑0.1mm覆蓋膜黃色字符白色表面處理沉金其它 admin2019-12-06T16:33:17+08:00