The shaft stick and the hanging hooks are formed by bending one steel bar or welding more than one steel bar. The non-metal roller is a ceramic bead roller or a bakelite roller.
上述轴棍与挂钩是一根钢筋弯曲而成或一根以上钢筋焊接而成，其非金属辊子是瓷珠辊子或胶木辊子。
The shaft stick and the hanging hooks are formed by bending one steel bar or welding more than one steel bar. The non-metal roller is a ceramic bead roller or a bakelite roller.
上述轴棍与挂钩是一根钢筋弯曲而成或一根以上钢筋焊接而成，其非金属辊子是瓷珠辊子或胶木辊子。
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