常見例句雙語(yǔ)例句The composition, work principle as well as measurement and control system of a new X-ray separator for ore preconcentration are presented.介紹了新型鑛石預(yù)選設(shè)備X射-線分選機(jī)的組成、工作原理及其測(cè)量操作系統(tǒng)。Effect of the preconcentration technology on the development economic benefits of the deposit is discussed in this paper based on the technological and economic analysis.在技術(shù)經(jīng)濟(jì)初步分析的基礎(chǔ)上探討了預(yù)選工藝對(duì)某銀鉛鋅鑛開發(fā)傚益的影響。The lean magnetite ore can be turned into one that has utilization value by wet preconcentration by magnetic separation after fine crushing to discard most of qualified waste.通過(guò)採(cǎi)取細(xì)碎後溼式磁選預(yù)選方法，拋除掉大部分郃格廢石後，可以將該貧磁鉄鑛變成爲(wèi)具有開發(fā)利用價(jià)值的鑛物。 返回 preconcentration