新型转动惯量实验仪/转动惯量测试仪/转动惯量实验仪图片

p1Src=//y1.yzimgs.com/uploads_old/345003/2011092515055980_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/345003/2011092515055980_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/345003/2011092515055980_old_2.jpg"