| 摘要 |
A double lock includes a base, a top cover, two snapping members, a locking seat, a movable jacket, a slide, a number lock core, and a key lock core. Thus, the double lock is locked and unlocked by the number lock core and the key lock core, so that a user can lock and unlock the number lock core to open and close the double lock, and the inspector of the customs can use a specific key to lock and unlock the key lock core to open and close the double lock, thereby facilitating the user and the inspector of the customs operating the double lock.
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