conference on petroleum exploration and development معنى
- المؤتمر المعني باستكشاف واستغلال النفط
- conference n. مؤتمر, اتحاد, ت ...
- on adv. فوق, عن, حسب; ...
- petroleum n. النفط, البترول; ...
- exploration n. استكشاف, فحص, ب ...
- and conj. واو العطف, أ ...
- development n. تطوير, تطور, تح ...
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