技术专栏
RF4 材料
6***6H
726
2
<img src=‘https://www.jlc.com/portal/ueditor/themes/default/images/spacer.gif’/><img src=‘https://www.jlc.com/portal/ueditor/themes/default/images/spacer.gif’/><img src=‘https://www.jlc.com/portal/ueditor/themes/default/images/spacer.gif’/><img src=‘https://www.jlc.com/portal/ueditor/themes/default/images/spacer.gif’/><img src=‘https://www.jlc.com/portal/ueditor/themes/default/images/spacer.gif’/>我要知道常规使用FR-4的玻璃态化转换状态,是130,140,150还是170