电动双座套筒调节阀 ZDLN/M-16C 球阀/浙江阿斯塔阀门科技有限公司

p1Src=//y3.yzimgs.com/uploads_old/193144/2013092709301008_old.jpg&p2Src=//y3.yzimgs.com/uploads_old/193144/2013092709301008_old_1.jpg&p3Src=//y3.yzimgs.com/uploads_old/193144/2013092709301008_old_2.jpg