单刀双掷压力开关4920H20 4920H1... 苏州西帕节能技术有限公司

p1Src=//y1.yzimgs.com/uploads/520185/2017411-15274101.jpg?watermark/2/text/6IuP5bee6KW_5biV6IqC6IO95oqA5pyv5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"