磁性底座
磁性底座，一般用于量测仪器的固定，一般性量测仪器如千分表、角度规、震动计等，多半使用磁性座固定量具。
磁性底座外壳是两块铁，中间圆形永久磁铁，可方便地旋转的磁铁。可吸附在导磁性佳的铁材上面。
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