名词
中文翻译：等效灰分密度
同义词：
['equivalent ash content', 'equivalent ash content density']
例句：
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1. Thecoal mine produces a high-quality coal with an equal ash density.
该煤矿生产的优质煤具有相等的灰分密度。
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2.The test results show that the equal ash density of the sample is within the standard range.
测试结果显示，样品的等效灰分密度在标准范围内。
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3.The equal ash density of the soil is an important factor in determining its quality.
土壤的等效灰分密度是决定其质量的重要因素。