YZ11X系列直接作用薄膜式水用减压... 上海明精防腐阀门制造有限公司

p1Src=//y1.yzimgs.com/uploads_old/11609/2008070702564121_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/11609/2008070702564121_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/11609/2008070702564121_old_2.jpg"