pylône tournant

Désignations

Codes : pays ou zone où la désignation a cours (CH, FR, DE, EU = Union européenne, INT = usage international). Une désignation barrée est déconseillée.

Définitions

anglais

Support in the form of a tripod with a broad base. Its two downwind legs run around in a circular track on railway tracks for yawing swivelling about the base of the third leg, and may be spread apart to lower the structure near ground level for servicing and repairs.