摩擦测试橡皮 rubber stick 昆山市精佳仪器设备有限公司

p1Src=//y3.yzimgs.com/uploads_old/32479/2008021908282025_old.jpg&p2Src=//y3.yzimgs.com/uploads_old/32479/2008021908282025_old_1.jpg&p3Src=//y3.yzimgs.com/uploads_old/32479/2008021908282025_old_2.jpg