炼铝厂的生产效率是另一关键问题。
Production efficiency of aluminum smelters is another key problem.
这个城市近郊的一家铝厂去年倒闭。
An aluminum plant on the outskirts of the city closed last year.
以后咱需要五座炼铝厂咩？
全球半数以上的铝厂现在已经无利可图。
More than half of the world's aluminum plant is now profitable.
多年来一直是各大氧化铝厂的薄弱环节。
It has been the weak link for years in every major aluminum plant.
我的爸爸是一个工人，在我们县的铝厂工作，他非常忙。
My father works in the aluminum factory in our county, and he is very busy.
我的爸爸是一个工人，在我们县的铝厂工作，他非常忙。
My father works in the aluminum factory in our county, and he is very busy.
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