... penetration hardness 压痕硬度 penetration indicator 穿透显示器 penetration of hardness 淬硬深度 ...
基于46个网页-相关网页
penetration indicator detail 穿透显示器
·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, it is described the principle of penetration rate measured by dynamic method, experiment set-up and the measured result, the gas mass spectrometer was taken as indicator.
文中叙述了以气体分析质谱计作指示器，动态法测量渗透率的原理，实验装置与测量结果。
youdao
应用推荐
模块上移
模块下移
不移动