{"id":10045,"date":"2025-11-24T23:46:30","date_gmt":"2025-11-24T23:46:30","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=10045"},"modified":"2025-11-24T23:46:30","modified_gmt":"2025-11-24T23:46:30","slug":"physics-of-vertical-solder-fill","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e5%9e%82%e7%9b%b4%e7%84%8a%e6%96%99%e5%a1%ab%e5%85%85%e7%9a%84%e7%89%a9%e7%90%86%e7%89%b9%e6%80%a7\/","title":{"rendered":"\u7269\u7406\u7121\u6cd5\u5354\u5546\uff1a\u70ba\u4f55IPC Class 3 \u5782\u76f4\u586b\u5145\u5728\u71d2\u7126\u5167\u5931\u6557"},"content":{"rendered":"<h2 class=\"wp-block-heading\" 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