求翻译：加入-104+43μm磁铁矿，菱铁矿可浮性变差。-18μm的菱铁矿回收率下降明显，下降了23个百分点，精矿品位升高。加入-104+43μm赤铁矿，菱铁矿可浮性变好。-18μm粒级回收率显著升高，上升了17个百分点，精矿品位升高。加入-104+43μm石英，菱铁矿可浮性变差。-18μm回收率下降最明显，下降了32个百分点，精矿品位下降。加入-104+43μm白云石，-104+74μm、-74+43μm、-43+18μm三个粒级的回收率下降，-18μm粒级的回收率略有上升，上升了7个百分点，精矿品位均下降。是什么意思？

Joined the -104 +43 μm magnetite, siderite Flotability worse. -18μm siderite recoveries decreased significantly, down 23 percent increase in concentrate grade. Joined the -104 +43 μm hematite, siderite can be changed for the better floating. -18μm grain-level recovery rate has increased significantl

Join Us - 104 + 43 µm magnetic iron ore, iron ore can be floating, Mitsubishi changed for the worse. - 18 µm of Mitsubishi iron ore recovery rate has fallen markedly decreased by 23 100 points higher, concentrates taste. Join Us - 104 + 43 µm, Mitsubishi-grained hematite that floating of iron ore ca

Join -104+43