| 摘要 |
In a preferred embodiment, a system for sequentially unlocking a series of locked compartments, the system including: apparatus to unlock a first one of the locked compartments so that the first one of the locked compartments can be opened and then closed; and apparatus to sense closing of the first one of the locked compartments and to automatically unlock a second one of the locked compartments in response to the closing of the first one of the locked compartments.
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