The utility model can reduce the attrition with the table when the fixed base is moved or rotated.

本实用新型可使固定座移动或转动时，减少与台面的磨擦。

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The utility model can reduce the attrition with the table when the fixed base is moved or rotated.

本实用新型可使固定座移动或转动时，减少与台面的磨擦。

youdao