Keystone 四氟衬胶蝶阀 F990 T620 PTFE DN150 深圳市德丰测控科技有限公司

p1Src=//y3.yzimgs.com/uploads/569/2019530-1053690.png&p2Src=//y2.yzimgs.com/uploads/569/2019530-10549560.png&p3Src=//y1.yzimgs.com/uploads_old/569/2014032411294651_old_2.jpg