tubular structure短语⁶⁵¹⁶³ 基本例句 钢管结构,管结构,管筒结构 However, a lack of specifications and standards that guide the construction of concrete- filled steel tubular structure has hampered the popular use of this kind of structure to a certain extent. 但是目前对钢管混凝土的研究多数还是集中在理论方面，在施工方面还没有专门的规范进行指导，这在一定程度上也阻碍了这种结构形式在更广范围内的应用。 oaps.lib.tsinghua.edu.cn