seminar on the economic aspects of secondary steelmaking يبدو
انقر فوق زر التشغيل لتشغيل الصوت
الترجمة والتعريف
- seminar on the economic aspects of secondary steelmaking معنى الحلقة الدراسية المعنية بالنواحي الاقتصادية لصنع الفولاذ الثانوي
كلمات ذات صلة
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- "seminar on the economic role of women in the economic commission for europe region" يبدو
- "seminar on the effective realization of civil and political rights at the national level" يبدو
- "seminar on the effects of scientific and technological developments on the status of women" يبدو
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