| |||
| 椭圆-方-椭圆孔型系统设计; 椭圆-方-椭圆孔型系统轧制法; 椭圆-方-椭圆孔型系统设计法 | |||
|
oval-square-oval method : 5 phrases in 2 subjects |
| General | 1 |
| Metallurgy | 4 |
| |||
| 椭圆-方-椭圆孔型系统设计; 椭圆-方-椭圆孔型系统轧制法; 椭圆-方-椭圆孔型系统设计法 | |||
|
oval-square-oval method : 5 phrases in 2 subjects |
| General | 1 |
| Metallurgy | 4 |