封闭式开关D4MC D4MC-5000，D4MC... 北京博为同创电子科技有限公司

p1Src=//y1.yzimgs.com/uploads/333163/2018130-16533515.png?watermark/2/text/5YyX5Lqs5Y2a5Li65ZCM5Yib55S15a2Q56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"