Compared between low and high aluminum level production, it is proved that high aluminum level was very important to improve the electric current efficiency.

通过对低铝水平生产和高铝水平生产的长期比较，证明了高铝水平对电流效率的提高具有非常重要的作用。

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Except for the low morality level of occupational agent, there are a series of other factors resulting in agency principles's low efficiency in family business.

导致家族企业内部委托代理机制效率低下的原因是多方面的，除了职业经理人道德水准不高之外，还有其它一系列因素。

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On the whole, heat efficiency of anode furnace is on the low level, and the prospect of utilization of waste heat is extensive.

从总体来看，铜精炼阳极转炉的热效率偏低，余热利用的前景和空间是非常大的。

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