 |
| |||
| 高温退火 (【技】将钢加热到 Ac₃ 温度，保温足够长的时间，使钢中奥氏体晶粒粗化的退火工艺。其目的是为了获得较粗大的晶粒组织，改善钢的切削加工性能。) | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips