coke ash造句

Methods for analysis of coal ash and coke ash
煤灰分及焦炭灰分的分析方法
Standard test method for fusibility of coal and coke ash
煤和焦炭灰的可熔性标准试验方法
Standard test method for trace elements in coal and coke ash by atomic absorption
原子吸收法测定煤和焦炭灰分中痕量元素的标准试验方法
Methods for analysis and testing of coal and coke - analysis of coal ash and coke ash
煤和焦炭的分析与试验方法.第14部分:煤灰与焦炭灰的分析
Standard test method for major and minor elements in coal and coke ash by x - ray fluorescence
X -射线荧光法测定煤和焦炭灰分中主要和次要元素的标准试验方法
It's difficult to find coke ash in a sentence. 用coke ash造句挺难的