[{"title":"(4个子文件1.78MB)PCB直尺文件","children":[{"title":"PCB直尺","children":[{"title":"PCB直尺V2.0","children":[{"title":"PCB直尺V2.0.PcbDoc <span style='color:#111;'>832.00KB</span>","children":null,"spread":false},{"title":"__Previews","children":[{"title":"PCB直尺V2.0.PcbDocPreview <span style='color:#111;'>15.45KB</span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"PCB直尺V1.0","children":[{"title":"PCB直尺V1.0.PcbDoc <span style='color:#111;'>632.00KB</span>","children":null,"spread":false},{"title":"PCB直尺V1.1.PcbDoc <span style='color:#111;'>2.27MB</span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]