low_grade_refractory_ore_有道手机词典

1.Experiment study was made on the beneficiation of a low grade refractory iron ore from Hebei.
针对河北某低品位难处理铁矿进行了选矿试验研究。
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2.A new process called ore blending-KOH molten salt decomposition-water leaching was first put forward for the processing of a low-grade refractory tantalum-niobium ore.
首次提出采用“配矿- koh熔盐分解-水浸出”的新工艺来处理低品位、难分解钽铌矿。
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3.Manganese ore resources are rich in China, yet with fewer rich ores but more low-grade ores, complex ores and fine refractory ores. rich ore resources are in critical shortage presently.
在我国，锰矿资源虽然十分丰富，但富矿少，贫矿、复杂矿和细粒难选矿多，富矿资源目前严重短缺。
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