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| nitrous oxide | |
| chem. | gas hilarante |
| environ. food.ind. chem. | E 942; hemióxido de nitrógeno; óxido nitroso |
| med. | gas nitroso |
| injection system | |
| mech.eng. | sistema de inyección |
|
nitrous oxide : 3 phrases in 3 subjects |
| Medical | 1 |
| Metallurgy | 1 |
| Technology | 1 |