The paper analyzes the development trend of the steel used for towers in combination with the national steel product supply situation and the transmission towerup-to-date research trend.
结合我国钢材供应现状和输电塔的最新研究动向，对输电塔用钢的发展趋势进行分析。
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The rich man gets up on the lifeguard tower and all his friends look up at him.