简体门及其它清理门都有装有安全自锁装置。
Simplified clean-up doors and other doors are equipped with a safety locking device.
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。
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，上升过程中的自锁装置，每个立柱上均有锁止装置。
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.
宽齿自锁保险，气动开锁装置安全可靠。
The lock insurance of since the wide tooth, unlock the device pneumatically are safe and reliable .
介绍了一种安全通道门、锁自启装置。
A kind of self-unblock device for emergency access door is introduced.
遇阻自动反弹，避免夹人和机组损坏。马达装置具有自锁功能，有效提高安全性。
4 difficult to automatically rebound, avoid clamping unit and damage. The motor has self-locking function, which can effectively improve the safety.
马达装置具有自锁功能，有效提高安全性。
The motor has self-locking function, which can effectively improve the safety.
马达装置具有自锁功能，有效提高安全性。
The motor has self-locking function, which can effectively improve the safety.
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