Because of high phosphorus content in ore, the exploitation was handicapped by economic and technical conditions at that time and has not yet been exploited.
由于铁矿中含磷量高，受当时经济技术条件的限制，一直未能开发利用。
The effects of solid oxygen and gaseous one on desiliconization pretreatment efficiency and temperature drop of high phosphorus content hot metal were experimentally studied.
在实验室试验研究了固体氧和气体氧对高磷铁水预脱硅效果及温降的影响。
The results indicate that microcrystalline deposit with low phosphorus content has higher hardness, modulus and fatigue resistance than the amorphous deposit with high phosphorus content.
结果表明，低磷微晶镀层较高磷非晶镀层具有更高的硬度、弹性模量和疲劳抗力；
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