非挂线式动态杨氏模量测量仪 DYD99
北京同德创业科技有限公司
p1Src=//y1.yzimgs.com/uploads_old/378650/2012101115360989_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2012101115360989_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/378650/2012101115360989_old_2.jpg