pcb的xml文件怎么读

我在国外开源网站上看到一些.brd的文件，但是下载下来发现时xml语言描述的，怎么转成pcb文件呢?
像这样的：
<?xml version="1.0" encoding="UTF-8"?>
<！DOCTYPE eagle SYSTEM "eagle.dtd">
-<eagle version="6.2">-<drawing>-<settings><setting alwaysvectorfont="yes"/><setting verticaltext="up"/></settings><grid altunit="mil" altunitdist="mil" altdistance="2" display="yes" multiple="1" style="dots" unit="mm" unitdist="mil" distance="4"/>-<layers><layer active="yes" visible="yes" fill="1" color="4" name="Top" number="1"/><layer active="no" visible="no" fill="3" color="1" name="Route2" number="2"/><layer active="no" visible="no" fill="3" color="4" name="Route3" number="3"/><layer active="no" visible="no" fill="6" color="1" name="Route14" number="14"/><layer active="no" visible="no" fill="6" color="4" name="Route15" number="15"/><layer active="yes" visible="yes" fill="1" color="1" name="Bottom" number="16"/><layer active="yes" visible="yes" fill="1" color="2" name="Pads" number="17"/><layer active="yes" visible="yes" fill="1" color="2" name="Vias" number="18"/><layer active="yes" visible="yes" fill="1" color="13" name="Unrouted" number="19"/><layer active="yes" visible="yes" fill="1" color="15" name="Dimension" number="20"/>

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