手持汉显流速测算仪 TDHT-1A 北京同德创业科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/378650/2012022013505011_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2012022013505011_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/378650/2012022013505011_old_2.jpg