常見例句雙語例句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.介紹了某選礦廠通過選礦工藝流程技術(shù)改造，提高了精礦品位、 回收率，降低尾礦品位，取得了較好的經(jīng)濟效益。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?yán)锍虒⒂写蠓鹊脑黾樱燃売兴岣?，將建成以高速公路為主的國道干線網(wǎng)。 返回 grade increment