E40温升试验镍圈 E40灯头温升试验镍圈 E40灯座温升试验镍圈 IEC60360Fig6
2024奥门中特钢49049
p1Src=//y1.yzimgs.com/uploads/312390/201714-203946369.jpg?watermark/2/text/5rex5Zyz5biC5Yib6ZGr5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/Center