Pile of natural black hard coal for texture background. Grade anthracite coals often referred to as stone coal and black diamond coal.
ID: 1514490824![复制](//static.hellorf.com/hellorf/_next/images/copy.svg)
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以图搜图
- 大图:4229 × 2819 像素·35.81 cm × 23.87 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG