振弦式弧焊型应变计 TC-BGK-4000 北京同德创业科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/378650/2012081711171769_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2012081711171769_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/378650/2012081711171769_old_2.jpg