DN200.250手动不锈钢硬密封偏心半球阀，卸料阀 PBQ340H 浙江阿斯塔阀门科技有限公司

p1Src=//y3.yzimgs.com/uploads/193144/20191227-153718879.jpg?watermark/2/text/5rC45ZiJ6Zi_5pav5aGU6Ieq5Yqo5YyW5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast