[{"title":"( 1 个子文件 75KB ) usb 最全封装库(含micro usb)for altium","children":[{"title":"8f9fb945e98247a0b418826121d26282","children":[{"title":"usb 最全封装库(含macro usb)for altium.rar <span style='color:#111;'> 74.60KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]