里氏洛氏硬度对照表

洛氏、里氏硬度对照表HLDHRCHLDHRCHLDHRC49016.65723065441.64921757430.465641.949417.457630.765842.149617.7578316

腾讯文库里氏洛氏硬度对照表里氏洛氏硬度对照表