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Ma<u>te<\/u>rial\uff09\u3002\u5b83\u662f\u4e00\u79cd\u5728\u5370\u5236\u7535\u8def\u677f\u673a\u68b0\u8bbe\u5907\u6253\u5b54\u65f6\u653e\u7f6e\u5f85\u751f\u4ea7\u52a0\u5de5\u677f\u7684\u4e0a\u8fb9\uff0c\u4ee5\u8fbe\u5230\u5236\u4f5c\u5de5\u827a\u89c4\u5b9a\u7684\u539f\u6750\u6599\uff08\u89c1\u56fe1\uff09\u3002<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"pcb\u94bb\u5b54\u6728\u57ab\u677f\u9ad8\u5bc6\u5ea6\u7684\u6807\u51c6\" src=\"\/wp-content\/uploads\/2021\/12\/20211215130949-61b9e91d8e8f3.jpg\" \/><\/p>\n<p>\n\t\u3000\u3000\u56fe1 \u540e\u76d6\u677f\u548c\u57ab\u5757\u5546\u54c1\u53ca\u5728PCB\u6253\u5b54\u751f\u4ea7\u52a0\u5de5\u4e2d\u8fd0\u7528\u5e73\u9762\u56fe<\/p>\n<p>\n\t\u3000\u30002.2\u540e\u76d6\u677f\u7684\u5173\u952e\u4f5c\u7528<\/p>\n<p>\n\t\u3000\u3000\u505a\u4e3aPCB\u6253\u5b54\u751f\u4ea7\u52a0\u5de5\u7684\u8f85\u6750\uff0c\u540e\u76d6\u677f\u6709\u4e94\u4e2a\u5173\u952e\u4f5c\u7528\uff1a<\/p>\n<p>\n\t\u3000\u3000\u2460 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