技术专栏

 刚才<span style=';font-family:宋体'>线路板中板线（</span>BOARD LINE<span style=';font-family: 宋体'>）内即</span>  A<span style=';font-family:宋体'>、</span>B<span style=';font-family:宋体'>、</span>C<span style=';font-family:宋体'>、</span>D<span style=';font-family:宋体'>处分别为</span>4<span style=';font-family:宋体'>个方形孔”应改为：</span> <span style='font-family: 黑体;'>线路板中板线（Board Layer）内即  A、B、C、D处分别为4个方形孔”</span><br /><br/>