远距离裂缝观测仪/裂缝观测仪/观测仪 TC-PTS－S30 北京同德创业科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/378650/2012030410334670_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2012030410334670_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/378650/2012030410334670_old_2.jpg