It mounts inside the pipe or at the bottom of a rectangular channel.
它管内或在矩形通道底部坐骑。
Auxiliary Pole: work with direction wheel at bottom of push board, ensure pipe moving direction.
辅助杆位于推板的两侧确保管材的前进方向。
Auxiliary Pole: work with direction wheel at bottom of push board, ensure pipe moving direction.
辅助杆位于推板的两侧确保管材的前进方向。
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