تفريغ الجبل ، محطة توليد الكهرباء ، عرض جوي ، الطاقة ، محطة كهرباء ويهر ، سارلاند ، جوتلبورن ، صناعة ، توليد الوقود والطاقة ، مصنع ، تقنية
الصور ذات الصلة الخالية من حقوق الملكية
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