The side of the safety door is provided with the magnetic self-locking device which consists of a lock box and a small magnet.
安全门侧边装有磁力自锁器，自锁器由锁盒和小磁铁组成。
The side of the safety door is provided with the magnetic self-locking device which consists of a lock box and a small magnet.
安全门侧边装有磁力自锁器，自锁器由锁盒和小磁铁组成。
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