grade increment

基本解釋

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(shù)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(jīng)濟(jì)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(jí)有所提高，將建成以高速公路爲(wèi)主的國道乾線網(wǎng)。