放大器内藏型光电开关 HPJ-A21，HPJ-T21 深圳市东威铭电子有限公司

p1Src=//y2.yzimgs.com/uploads/490298/2020814-17059713.jpg?watermark/2/text/5rex5Zyz5biC5Lic5aiB6ZOt55S15a2Q5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/750/fill/I0E3QTlBOA==/gravity/SouthEast