In one hand she was carrying a coal scuttle, in the other a box of briquets.
她一只手里拿着个煤斗，另一只手里拿着煤饼箱。
The relationship between the properties of coals with different coalification degree and quality of their briquets were investigated.
研究了14种不同煤化程度煤的性质与其型煤质量的关系。
The relationship between the properties of coals with different coalification degree and quality of their briquets were investigated.
研究了14种不同煤化程度煤的性质与其型煤质量的关系。
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