sieve analysis of coal 中文意思是什麼
sieve analysis of coal
解釋
篩分分析-
Standard test method for performing the sieve analysis of coal and designating coal size
進行煤和特定煤粒度篩選分析的標準試驗方法 -
Investigations of the raw material in hard - coal - mining ; determination of the particle - size - distribution 20 ? m by sieve - analysis
硬煤采礦原料的勘測.篩分法測定大於20 m的粒度分佈
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