DPN
导读:DPN读音音标
DPN意思解释
abbr.Diamond Pyramid Hardness Number 金刚石棱锥硬度值,威氏硬度值;
DPN意思解释
abbr.Diamond Pyramid Hardness Number 金刚石棱锥硬度值,威氏硬度值;

DPN读音音标
DPN意思解释
abbr.
Diamond Pyramid Hardness Number 金刚石棱锥硬度值,威氏硬度值;

abbr.
Diamond Pyramid Hardness Number 金刚石棱锥硬度值,威氏硬度值;