硬密封球阀系列 http://www.jurivalve.com/product/ymfqf/ zh-cn Rss Generator By SDCMS 1.3.1 Q41H/Y硬密封浮动球阀 http://www.jurivalve.com/product/ymfqf/5321.html Q947H上装式硬密封球阀 http://www.jurivalve.com/product/ymfqf/5322.html Q340H硬密封偏心半球阀 http://www.jurivalve.com/product/ymfqf/5323.html Q347H/Y硬密封固定球阀 http://www.jurivalve.com/product/ymfqf/5320.html