[{"title":"( 2 个子文件 5.52MB ) BC20_LIB_SCH_PCB3D.rar","children":[{"title":"BC20.Lib <span style='color:#111;'> 11.00KB </span>","children":null,"spread":false},{"title":"BC20.PcbLib <span style='color:#111;'> 5.58MB </span>","children":null,"spread":false}],"spread":true}]