齿轮洛氏硬度/洛氏硬度计/表面硬度计 TC-PHR-G6 北京同德创业科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/378650/2014102114091355_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2014102114091355_old_1.jpg