非接触式混凝土收缩变形测定仪 RTY-SSX-SSF 北京同德创业科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/378650/2012040910392547_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2012040910392547_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/378650/2012040910392547_old_2.jpg