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vacuum breaking; breaking vacuum | |||
vacuum break |
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 |