常見例句雙語例句A technical and economic comparison between two kinds of pyrite cinder humidifiers is conducted.對兩種硫鐵礦渣增濕器進(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顏料的氧化鐵黃和氧化鐵紅。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磁場磁選機(jī)選別硫酸渣（黑渣）試驗及工業(yè)生產(chǎn)情況，探討了硫酸渣利用存在的問題及發(fā)展方向。 返回 pyrite cinder