“矿砂”造句

每吨矿砂的净利达20美元.
The net profit amounts to 20 dollars per ton of ore.

他们分析了矿砂,从中发现了铁.
They analyzed the ore and found iron in it.

日平均产量为一千三百七十吨矿砂.
The average daily throughput was 1 , 370 tons of ore.