业;
场;excavate an ore-rich hillside.
在富
山
穴
；；铁砂床；层，金体；造，锰；硬锰砂山品位分级（）；锡砂，未选
，铁精砂；锌砂；锌；细
；段；体；颗粒，好；富excavate an ore-rich hillside.
在富山穴
mining iron ore locally
在当地开采铁
The ore assays high in gold.
这经分析证明含金量很高。
process ore to obtain minerals.
加工获取物质
the technology for the extraction of iron ore
铁冶炼技术
most iron ore had to be imported from Spain.
大多数铁必须从西班牙进口。
the Ural mountains, whence the ore is procured.
乌拉尔山脉，那里是出产这种地方。
Jaspilite and altered phyllite are the main ore types.
主要类型有含铁碧玉岩型和蚀变千枚岩型。
teemed the molten ore into a huge mold.
将熔化水注入巨大模子中
A new ore-dressing plant is rapidly going up.
一座新选厂正快速修建起来。
analyze an ore to see if it contains iron;
分解一粒砂确定其是否含铁；
The author introducd the electric equipment design of ore smelting eutecticum engineering of ore sintering plate, stated the problemes and the countermeasures.
介绍了冶共晶工程烧结车间电气设计,并阐述了设计遇到一些问题以及解决方法。
Through researches on porphyre rock body, alteration zoning and ore indicators and the ore-searching model are established in the area.
通过对斑岩体、蚀变分带及找标志研究，建立了红卓斑岩型铜找模型。
apron feeders bring coarse ore to a grinding mill.
链板传送机把粗送到磨机。
black copper ore is generally griddled out .
黑色铜通常用筛子筛出来。
The ore-bearing rock is composed mainly of andesitic tuff and tuffite.
作者在赋层中首次发现了层状电气岩。
Experiment is done on the acid hydrolysis of titanium-columbite-tantalite ore difficult to decompose.
对难分解钛钽铌酸分解工艺进行了试验研究。
Ore bearing stratum contain richly pyrrhotite,pyrite,spessartine and dannemorite.
赋层位中富含磁黄铁、黄铁、锰铝榴和锰铁闪。
Piedmont potassic alteration zone is the product of potsash feldspathization, part of the zone is ore body.
区山前钾化带是钾化蚀变产物，局部地段构成体。
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