陶瓷封装器件

.special-char { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif!important;vertical-align: baseline;font-style: normal;font-weight: 300;} LED封装材料种类繁多，各有各的优势领域，而陶瓷封装在大功率LED领域占有主导地…