Trying to learn how to translate from the human translation examples.
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"diametro nominale di calettamento del cerchio (d)": diametro del cerchio su cui deve essere montato un pneumatico;
"nominal rim diameter (d)" means the diameter of the rim on which a tyre is designed to be mounted.
il camber tecnicamente è l’angolo fra un piano parallelo al pneumatico/cerchio e un piano verticale all’asfalto.
to be technically exact, the camber angle is the one formed between the plane that runs parallel to the tire and the plane is vertical to the ground.