kee Pluriel
Hydraulik Vorrichtung
système hydraulique
hydraulics
sistema hidráulico
mir brauchen en Techniker, deen sech ëm d' Hydraulik 1 vun der Maschinn këmmert
https://lod.lu/uploads/examples/OGG/0f/0f9dfd12699be0a139647f6655547474.ogg
https://lod.lu/uploads/examples/AAC/0f/0f9dfd12699be0a139647f6655547474.m4a