常見(jiàn)例句雙語(yǔ)例句A technical and economic comparison between two kinds of pyrite cinder humidifiers is conducted.對(duì)兩種硫鉄鑛渣增溼器進(jìn)行技術(shù)經(jīng)濟(jì)比較。Experimental results showed that iron oxide yellow and iron oxide red could be made with pyrite cinder under suitable condition.結(jié)果表明，在適宜的條件下，利用燒渣可以制備出用做顔料的氧化鉄黃和氧化鉄紅。dict.cnThe experiment and industrial application of recovering iron concentrate from pyrite cinder with vertical magnetic separator with pulsating vibration magnetic field were introduced.介紹了立式脈沖振動(dòng)磁場(chǎng)磁選機(jī)選別硫酸渣（黑渣）試騐及工業(yè)生産情況，探討了硫酸渣利用存在的問(wèn)題及發(fā)展方曏。 返回 pyrite cinder