Natural mineral formations containing iron and its compounds in such a volume when the industrial extraction of iron from these formations is expedient. Stone texture of the quarry. Mining for heavy
ID: 2080526578
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- 大图:4912 × 3264 像素·41.59 cm × 27.64 cm·300dpi·JPG
- 中图:1000 × 664 像素·35.28 cm × 23.42 cm·72dpi·JPG
- 小图:500 × 332 像素·17.64 cm × 11.71 cm·72dpi·JPG