例句

This ore assays high in gold.

这种矿石被验明含金量高。

The average daily throughput was 1, 370 tons of ore in 1999.

1999年的日平均产量为一千三百七十吨矿砂。

We had difficulty in extracting the metal from the ore.

我们在从矿石中提炼金属时遇到了困难。

The mine streched three miles into an ore bed.

矿山绵延三英里进入矿层。

China has about eight factories to refine the ore.

中国有大约八家精炼矿石的企业。

The ore was heated in the kilns to drive off water and carbonic acid gas.

矿石被放入窑里加热，蒸发掉水和碳酸气。

a metalliferous ore

a titaniferous ore

玻璃柜里陈列着各种矿物标本。

Ore specimens are on display in showcases.

储量等级

ore reserve classification

12 条更多结果