There are multiple safe protectors: Overweight device, chain fracture device, trailing arm lock protect, device of the lock when it rised.

设有多重安全保护装置：超重装置，断链装置，托臂自锁保护，上升过程中的自锁装置。

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There are multiple safe protectors: Overweight device, chain fracture device, device of the lock when it rised, there is a lock that stops the device on each post.

设有多重安全保护装置：超重装置，断链装置，上升过程中的自锁装置，每个立柱上均有锁止装置。

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A wide variety of options is available like sleeve lock, one-way and straight-thru designs, release clamp with chain, etc.

选择范围广，如套筒锁、单向关断、直通式及带链条的释放夹等。

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Officers discovered the door of that apartment ajar, but secured from the inside with a chain lock.

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Because the chain lock was on, police said, the toddler couldn't get out.

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And that is after signing a bunch more pre-paid supply chain agreements to lock-up the tablet market even more than they have already.

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