锻钢承插焊闸阀 Z61Y 上海希伦流体科技有限公司

p1Src=//y3.yzimgs.com/uploads_old/315330/2009072208524221_old.jpg&p2Src=//y3.yzimgs.com/uploads_old/315330/2009072208524221_old_1.jpg