[{"title":"( 6 个子文件 50.04MB ) 电压变换器入门学习资料.rar","children":[{"title":"电压变换器入门学习资料","children":[{"title":"第02章 电力电子器件.pdf <span style='color:#111;'> 13.79MB </span>","children":null,"spread":false},{"title":"第03章 AC-DC变换器.pdf <span style='color:#111;'> 19.36MB </span>","children":null,"spread":false},{"title":"第06章 DC-AC变换器.pdf <span style='color:#111;'> 5.66MB </span>","children":null,"spread":false},{"title":"第04章 AC-AC变换器.pdf <span style='color:#111;'> 6.88MB </span>","children":null,"spread":false},{"title":"第05章 DC-DC变换器.pdf <span style='color:#111;'> 11.75MB </span>","children":null,"spread":false},{"title":"第01章 概述.pdf <span style='color:#111;'> 5.92MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]