微阻缓闭蝶型消声止回阀 HH49X-1... 上海良京阀门制造有限公司

p1Src=//y2.yzimgs.com/uploads/350023/2017127-105618479.jpg&p2Src=//y1.yzimgs.com/uploads/350023/2017127-105621897.jpg&p3Src=//y2.yzimgs.com/uploads/350023/2017127-105624872.jpg"