Public places of entertainment must ensure safe exit and evacuation channel smoothly in the business, it is strictly prohibited to export safety lock, blocking.
公共娱乐场所在营业时必须确保安全出口和疏散通道畅通无阻，严禁将安全出口上锁、阻塞。
In the case that the pilot bore of the lock gate shaft was fully blocked by the rock mass, anchors have been combined with concrete to ensure the safety of subsequent side clearing and lining.
在闸门井导井被岩体完全封堵的情况下，为确保后期刷帮及衬砌安全，采用锚杆和砼结合对闸门井进行锁口。
Inner-lock safety door, once open, machine stopped immediately to ensure operator safety.
内锁式安全门设计，开门即停止，确保安全。
Inner-lock safety door, once open, machine stopped immediately to ensure operator safety.
内锁式安全门设计，开门即停止，确保安全。
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