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| vacuum breaking; breaking vacuum | |||
| vacuum break | |||
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破坏真空 : 15 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Construction | 1 |
| Electric machinery | 2 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Refrigeration | 1 |
| Technology | 6 |
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