grade increment

常见例句

A beneficiation plant has improved its flowsheet thus achieved good benefits in increment of concentrate grade & iron recovery rate and in decrement of tailing's grade.
介紹了某選鑛廠通過選鑛工藝流程技術改造，提高了精鑛品位、廻收率，降低尾鑛品位，取得了較好的經濟傚益。
The highway is open to traffic the mileage and wills have the significant increment, the grade has the exaltation, will set up at a high speed the highway is the main National Freeway trunk line net .
公路通車裡程將有大幅度的增加，等級有所提高，將建成以高速公路爲主的國道乾線網。