alumina
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中文词源： alumina
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常见考点例句：

The ajkai alumina plant resumed operations two weeks after the spill .

ajkai氧化铝工厂在污水泄露事件后2个星期恢复了运营。

Making a ton of aluminum requires about two tons of primary ingredient alumina .

生产一吨铝需要大约两吨氧化铝。

Next on the agenda are purchases spanning copper , nickel , zinc and possibly bauxite and alumina .

收购议程上的下一步目标包括铜、镍、锌，可能还有铝土矿和矾土。

The explosion in production of alumina has reverberated around the world and blown back into china itself .

氧化铝产量的爆炸式增长产生了全球的影响，反过来也波及了中国自身。

In contrast , sual is well-endowed with bauxite mines and alumina refineries but has fewer aluminium smelters and power plants .

与之形成对照的是，sual拥有大量的铝土矿及氧化铝精炼厂，但炼铝厂与发电厂较少。