小方型光电 DN-05N/PD-20/30/120 BG-05N/PD-120 菲德自控技术（天津）有限公司

p1Src=//y2.yzimgs.com/uploads/537758/2025928-16352111.png?watermark/2/text/6I-y5b636Ieq5o6n5oqA5pyv77yI5aSp5rSl77yJ5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast