lump ore

基本解释

This paper studies the motion law of the lump ore by vibrating drawing with simulated experiments in stopes.
通过大量模拟试验，分析和研究了振动出矿采场大块运动规律。
In order to make rational use of iron ore resources and achieve a perfect tech-economical results of iron-making, the sinter, pellets and lump ore should be used in proper proportions.
为了合理利用铁矿石资源，并且获得最佳的炼铁技术经济效益，必须将烧结矿、球团矿和天然块矿搭配使用。
The necessity of rebuilding the existing large breaking system and improving the output ratio of high quality lump ore and the concrete rebuilding scheme as well as the feasibility are expounded.
论述了天铁石灰石矿生产现状，对改造现有大破碎生产系统，提高优质块矿产出率的必要性以及具体改造方案与可行性进行了探讨。

It is also a major supplier of direct-shipping lump and fines iron ore out of Australia.
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What was decades ago a lump of rock can be transformed into an economic ore by new technology.
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