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class=\"wp-block-heading\" id=\"the-thermal-relief-battleground\">\u71b1\u7de9\u89e3\u7684\u6230\u5834<\/h2>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/12\/pcb-thermal-relief-macro.jpg\" alt=\"\u88f8\u5370\u5237\u96fb\u8def\u677f\u7684\u5de8\u96c6\u8996\u5716\uff0c\u805a\u7126\u65bc\u4e00\u500b\u7531\u56db\u689d\u7d30\u5c0e\u7dda\u9023\u63a5\u5230\u63a5\u5730\u5e73\u9762\u7684\u91d1\u8272\u710a\u76e4\u3002\" title=\"PCB\u71b1\u91cb\u653e\u8f3b\u5c04\u72c0\u5c0e\u7dda\"\/><figcaption 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