J23W-320C-DN50,J23H-160P-DN6,J23H-160P-DN10,外螺纹针形截止阀,温纳外螺纹针形截止阀,外螺纹针形截止阀生产厂家 J23W-320C-DN50,J23H-160P-DN6,J23H-160P-DN10 无锡温纳自动化科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/388190/2012032011532723_old.jpg