magnetic lock [矿业] 磁闩 ; 磁力锁 ; 或称磁力锁
electric-magnetic lock [机] 电磁闭锁 ; 电磁门锁
magnetic lock relay 磁锁定继电器
The lock is activated by a magnetic key.
这个锁用磁性钥匙开。
The magnetic lock structure was given, the lock overcame the disadvantage of normal magnetic lock without dual functionality, it is own powered.
给出了电磁锁的结构，该锁克服了普通电磁锁没有双向功能的缺点，并可自带电源。
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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