In this thesis, the nature and state of raw coal cost is analyzed by means of the grey relevant analysis method.
本文采用灰色关联分析方法对原煤成本性态进行了分析，将原煤成本划分为固定成本和变动成本。
In this thesis, the nature and state of raw coal cost is analyzed by means of the grey relevant analysis method. The raw coal cost is divided into fixed cost and variable cost.
本文采用灰色关联分析方法对原煤成本性态进行了分析，将原煤成本划分为固定成本和变动成本。
In this thesis, the nature and state of raw coal cost is analyzed by means of the grey relevant analysis method. The raw coal cost is divided into fixed cost and variable cost.
本文采用灰色关联分析方法对原煤成本性态进行了分析，将原煤成本划分为固定成本和变动成本。
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