The magnetic button has the advantages that: the magnetic flux leakage is avoided and the button has favorable magnetism.

本实用新型具有防止漏磁，并且磁性好的特点。

youdao

The magnetic button has the advantages that: the magnetic flux leakage is avoided and the button has favorable magnetism.

本实用新型具有防止漏磁，并且磁性好的特点。

youdao