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| astr. |
surface critique (de Roche) |
| avia., Canada |
surface critique |
| industr., construct., chem. |
ligne de séparation; interface f |
| life.sc., construct. |
cercle critique |
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| English thesaurus |
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| avia., Canada |
Any stabilizing surface of an aircraft, including the wings, control surfaces, rotors, propellers, horizontal stabilizers, vertical stabilizers and, in the case of an aircraft that has rear-mounted engines, the upper surface of its fuselage |