发布时间:2025-01-31 07:59:03
纵向钢筋宜采用4根12;箍筋间距不宜大于250mm,且在柱上下端应适当加密;设防烈度≥8度时纵向钢筋宜采用4根14;箍筋间距不宜大于200mm.
取暖器家用节能石墨烯暖风机电暖气2023新款大面积新型冬天神器热几度电一天
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