Structure: the edges are cylingder rooled with colddrawn lowcarbon steel wire, forming a whole with the mesh sheet.
双圈防护网结构： 用冷拔碳钢丝焊接成网筒状卷边与网面一体，用连接附件与钢管支柱固定。
University names consist of several essential factors with each having its own special meaning and function and forming a whole linear structure according to the order.
大学校名是由若干要素组合而成的，各要素有其特定的意义和功能，依序组成一个完整的线性结构。
The spiral vane is fixed on the central shaft, forming a whole body which is disposed at the middle of the spiral air locking valve body and is firmly welded with the spiral air locking valve body.
螺旋叶片固定在中心轴上形成一个整体置于螺旋锁风阀体的中间并与螺旋锁风阀体焊牢。
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