The material through an opening at the bottom of the spiral groove directly fall.
物料经过螺旋槽体底部的一个开口直接落下。
The material through an opening at the bottom of the spiral groove directly fall.
物料直接通过螺旋输送机槽体端部的开口卸出。
The spiral groove of pipe is formed by press die.
采用冲压模具实现了管材螺旋槽成形。
The spiral groove of pipe is formed by press die.
采用冲压模具实现了管材螺旋槽成形。
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