| 摘要 |
Variable-section jet pipe (3) for aircraft nacelle (1), of which at least one part (V1, V2, V3; B) is able to move between at least one position of smaller cross section and at least one position of larger cross section, and means for moving said part between said positions, these movement means firstly comprising piezoelectric actuators (P, Pa1, P2), and secondly comprising means of controlling these actuators.
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