Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀Z941H-16Q Z941H-10Q Z941H-25-40-64Q球墨铸铁电动法兰式闸阀