伺服杯机器
纸杯如何容纳水?
A 纸杯 is a disposable 杯子 made out of 纸 and often lined or coated with plastic or wax to prevent liquid from leaking out or soaking through the 纸. It may be made of recycled 纸 and is widely used around the world.
纸杯如何容纳水?
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