（落煤管）堵煤开关HQSS-D信号稳定图片

p1Src=//y1.yzimgs.com/uploads/440717/2020530-102830725.jpg?watermark/2/text/6bq75Z-O5pa96L-I6LWb5bel5Lia6Ieq5Yqo5YyW5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa