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| 真空处理; 真空作业法 | |||
| 真空法 | |||
| 真空作业; 真空密实法; 真空处理 (法); 减压铸造法 | |||
| 真空处理工艺 | |||
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vacuum process : 96 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Chemistry | 2 |
| Electronics | 1 |
| Metallurgy | 50 |
| Oil / petroleum | 3 |
| Plastics | 3 |
| Refrigeration | 4 |
| Space | 1 |
| Technology | 30 |
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