黑白密度计/密度仪/黑白密度仪/透射式黑白密度计 型号：TCHBMD TC-000302 北京同德创业科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/378650/2013041509023328_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2013041509023328_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/378650/2013041509023328_old_2.jpg