The invention can improve the utilization rate of the old leather cup, reduce the pollution to the environment and lower the use cost of the leather cup.
本发明能够提高旧皮碗的利用率和减少环境污染，降低皮碗使用成本。
The invention can improve the utilization rate of the old leather cup, reduce the pollution to the environment and lower the use cost of the leather cup.
本发明能够提高旧皮碗的利用率和减少环境污染，降低皮碗使用成本。
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