光电/接触转速表DT-2856 DT-2856 图片

p1Src=//y1.yzimgs.com/uploads_old/418552/2013031410051707_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/418552/2013031410051707_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/418552/2013031410051707_old_2.jpg"