This move has solved the structural contradiction of billet sizes, improved the technical and economic indicators and increased the productivity of section mill train.
解决了坯料结构性矛盾，改善了各项技术经济指标，提高了型材机组的创效增效能力。
This move has solved the structural contradiction of billet sizes, improved the technical and economic indicators and increased the productivity of section mill train.
解决了坯料结构性矛盾，改善了各项技术经济指标，提高了型材机组的创效增效能力。
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