seminar on low-waste technology معنى
- الحلقة الدراسية المعنية بالتكنولوجيا قليلة النفايات
- seminar n. سمينار, حلقة در ...
- on adv. فوق, عن, حسب; ...
- low-waste technology تكنولوجيا قليلة ال ...
- technology n. تكنولوجيا, علم ...
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