光热导热油铸铁球阀 Rotech Ball Valve 图片

p1Src=//y1.yzimgs.com/uploads/500971/2016426-105251307.png?watermark/2/text/5LiK5rW36Lev5aSq5Zu96ZmF6LS45piT5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast"