B22温升试验镍圈 B22灯头温升试验镍圈 B22灯座温升试验镍圈 IEC60360 Fig10
2024奥门中特钢49049
p1Src=//y3.yzimgs.com/uploads/312390/201714-20449966.jpg?watermark/2/text/5rex5Zyz5biC5Yib6ZGr5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/Center