提出了利用测距仪测定运动矿车中铁矿石品位的技术原理和方法。
A technique principle and method was proposed to measure iron ore grade in a moving mine car with distance measuring instrument.
但是今年澳大利亚方面要求提高价格，他们说自己的铁矿石品位更高，而且由于澳大利亚离中国近，所以运输费用相对较低。
But this year Australian miners demanded more, insisting their iron ore is higher quality and - because Australia is closer to China - is costing less to transport.
白象山铁矿区磁铁矿石储量丰富，品位较高，具有很高的开采价值。
Baixiangshan iron mine ore magnetite-rich zone, high grade and high production value.
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