 |
| |||
| 不含蒸汽的; 无蒸汽的 | |||
| steam free: 5 phrases in 5 subjects |
| Genetics | 1 |
| Metallurgy | 1 |
| Oil processing plants | 1 |
| Refrigeration | 1 |
| Technology | 1 |
|
| |||
| 不含蒸汽的; 无蒸汽的 | |||
| steam free: 5 phrases in 5 subjects |
| Genetics | 1 |
| Metallurgy | 1 |
| Oil processing plants | 1 |
| Refrigeration | 1 |
| Technology | 1 |