Kumba - Product - Trestle boka reLiangshuijin Coal Mine muShaanxi
Span ndeye 70m, ndiyo imwe yemitambo mikuru.
(National High-quality Project Gold Award)
Chikero chepurojekiti: 320m kureba uye 90m muhupamhi Nzvimbo yekuvaka: 28,800m² Nzvimbo yeprojekti...
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