求翻译：用200g含铁46.73%的赤铁矿粉,在22-23℃经一次粗选一次精选三次扫选,开路分选的精矿铁品位为68.1%,收率为82.0,尾矿品位14.9%。是什么意思？

46.73% iron with 200g of red iron ore, crude at 22-23 ℃ after the first election once selected three sweep the election, open separation of iron concentrate grade of 68.1%, the yield was 82.0, 14.9% grade tailings .

Use 200 g of iron-containing 46.73 % powder, grained hematite that 22 - 23 in a one-time degrees C rough election first selected 3 anti-election meeting, open circuit-grade iron ore concentrates to 68.1 % of the rates, and tailings grade 14.9 % to 82.0 .

With 200g including the hard 46.73% hematites, in 22-23℃ passes through a time rough sizing one time to select three times to sweep elects, the opening separation ore concentrate iron personal status is 68.1%, receives rate is 82.0, debris personal status 14.9%.

200g 46.73% Hematite iron powder, at 22-23 by a rough election once selected sweep the election three times, opening and sorting of iron concentrate grade of 68.1% per cent rate of 82 per cent, and tailing grade 14.9%.

Include iron 46.73% haematite powder with 200g, pass select one choose carefully 3 times sweep and select while being with a girth of by one at 22-23 ℃, the concentrate iron grade of opening a way and sorting is 68.1%, the yield is 82.0, tailing grade 14.9%.