修改字体大小 16px

10px 25px

注意：钢梁的尺寸标注，一般是高x宽，与混凝土的宽x高是相反的，一定要注意。vhkyfhupuqnnplebplggwjnrgladlmcaolxnjtxrkpdpyqirdn
钢梁尺寸如何判断宽高尺寸？qcfsgelqwwosuuahrbsrxkcjjtuzbsscunnzsjkkwbwaz
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设计说明或平面图说明中，一般会予以说明：npsokfrqdpmvnkrfrxgdckfazxnzmnaoudpocyfdxuwtbiyd
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04SG523型钢混凝土组合结构构造npsokfrqdpmvnkrfrxgdckfazxnzmnaoudpocyfdxuwtbiyd
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