[{"title":"( 3 个子文件 5.48MB ) 直流电子负载原理图和PCB","children":[{"title":"E_LoadV150.PcbDoc <span style='color:#111;'> 6.32MB </span>","children":null,"spread":false},{"title":"E_LoadV150.SchDoc <span style='color:#111;'> 689.00KB </span>","children":null,"spread":false},{"title":"E_LoadV150.PrjPcb <span style='color:#111;'> 54.71KB </span>","children":null,"spread":false}],"spread":true}]