压力/差压变送控制器 PTC/PDTC4881 型图片

p1Src=//y3.yzimgs.com/uploads/539477/20191010-83738781.jpg?watermark/2/text/IOWNk-eEtuWkqeW3peiHquWKqOWMluS7quihqCjljJfkuqwp5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"