Push the tissue into the groove, so it forms the square shape of the groove.

把纸巾压在槽里，这样子可以把槽里擦干净。

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Large square table and base with coolant groove.

大方桌和冷却槽的基础。

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Large square table and base with coolant groove.

大方桌和冷却槽的基础。

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