Students are provided with a combination for their room door locks upon check-in.

办理入住时，学生们会得到一串房间门锁密码。

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Briefcases with combination locks belong to guys with strong memory. The unqualified should avoid using them for the likelihood of hassling with a customs officer.

那种组合密码锁的包是给有好记忆力的人用的，如果想避免和机场检察官吵架，请谨慎使用。

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Once used only for padlocks, combination locks began to be used in safes and strong-room doors during the last half of the 19th cent.

一次只用挂锁，开始组合锁在保险柜和强烈室门使用了19年下半年的百分之。

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He invented and patented a series of combination locks with lead balls to block x-rays, in conjunction with special nylon wheels to prevent them from observed.

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But Dennis Henigan, legal director of the Centre to Prevent Handgun Violence, replies that gun manufacturers already have access to low-tech safety devices, such as combination locks.

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The thieves, headed by Leonardo Notarbartolo, reportedly managed to penetrate some of the most advanced security measures, including hi-tech combination locks, motion and heat sensors -- and 18-inch steel doors.

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