双口排气阀 DN50-DN200 图片

p1Src=//y2.yzimgs.com/uploads/520854/2017228-135751702.jpg?watermark/2/text/5rKz5YyX5Yip5Yib6ZiA6Zeo5Yi26YCg5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"