该机螺旋体心轴为可挠曲的，因此输送线路可根据需要按空间曲线布置。
The spiral mandrel is flexible, so the transmission line can be arranged according to the space curve.
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。
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.
安装后的叶片绕纵向中心轴呈自上而下均匀设置的螺旋形。
The blades after being installed take spiral shapes which are evenly arranged from the top to the bottom around the longitudinal central shaft.
安装后的叶片绕纵向中心轴呈自上而下均匀设置的螺旋形。
The blades after being installed take spiral shapes which are evenly arranged from the top to the bottom around the longitudinal central shaft.
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