"Aurretiazko datuak" in Basque is the translation of English "Preliminary data" (find more translations on these pages: "Preliminary data in Different Languages" and "Preliminary data in Basque").

Aurretiazko datuak pronunciation: If you want to know how to pronounce aurretiazko datuak in Basque (that is, how we say "Preliminary data" in Basque), you will find the audio pronunciation below.

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Here is the Basque pronunciation of the word aurretiazko datuak:
Basque, female