heat treatment
美英
- na.热处理
- 网络淬火;热处理改色;金属热处理

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
The improvement in the heat treatment technology of the stamping die for the silicon steel sheet was introduced.
29