锻钢自密封截止阀 J11H 上海希伦流体科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/315330/2009072210142770_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/315330/2009072210142770_old_1.jpg