W-20b铝合金韦氏硬度计 北京时代创合科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/322433/2013110717305319_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/322433/2013110717305319_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/322433/2013110717305319_old_2.jpg"