永久磁钢力保持双稳态，节能。

Permanent magnet force to maintain bi-side, energy saving.

youdao

使用高性能磁钢，具强磁力，残留磁性少。

Made from permanent magnet, with strong and less remained magnetism.

youdao

使用高性能磁钢，具强磁力，残留磁性少。

Made from permanent magnet, with strong and less remained magnetism.

youdao