Copper and ceramic bonding in a variety of ways, the most ideal is directly coated copper technology (DBC). The DBC method has the advantages of simple equipment, simple manufacturing process, low cos...这个是金山词霸的翻译吧能不能帮我改改啊，好像不是很准确的样子呵呵，我主修的就是这个，所以，你要是觉得可以那你就采纳，觉得不准确那就算了，呵呵。