专业生产：抽屉锁、家具三联锁、玻璃锁、橱窗锁、信箱锁、移门锁系列。
Professional production: Drawer locks, three interlocking furniture, glass locks, window locks, mailbox lock, shift lock series.
youdao
你邮寄的钥匙也在锁着的信箱里。
The key which you posted was in the locked letter-box too.
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