边际品位的英文

cutoff grade

• 边际:    limit; bound; boun ...
• 品位:    grade
• 品位:    [矿物学] grade ...

例句与用法

1. They are respectively named cut - off grade , marginal grade , economic grade and the average grade of an ore deposit
   这4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。