[{"title":"( 3 个子文件 889KB ) 1000W逆变器PROTEL99SE设计硬件原理图+PCB工程文件.zip","children":[{"title":"1000w <span style='color:#111;'> 3.32MB </span>","children":null,"spread":false},{"title":"1000w.DDB <span style='color:#111;'> 5.03MB </span>","children":null,"spread":false},{"title":"1000W-SCH.DDB <span style='color:#111;'> 73.21KB </span>","children":null,"spread":false}],"spread":true}]