conference on petroleum exploration and development يبدو
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كلمة بكلمة
- conference يبدو
- on يبدو
- petroleum يبدو
- exploration يبدو
- and يبدو
- development يبدو
- conference on petroleum exploration and development معنى: المؤتمر المعني باستكشاف واستغلال النفط
