... 炼铁（Ironmaking） 固废资源利用（Solid waste recycling utilization） 直接炼钢（Direct steelmaking） jialongyang@126.com ...
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The utilization approach and problem existed of waste solid wood were discussed in accordance with the result of the investigation for recycling and utilizing of waste wood in Hebei province.
根据对河北省废旧木材回收利用的调查结果，对废旧实木类木材的利用途径和存在问题进行了探讨。
From the point of recycling of solid waste, this paper is to discuss the synthetic utilization of used sand and analyse the future.
从固体废弃物资源化的角度论述铸造旧砂的综合利用情况并分析其前景。
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