Dead weight loading simulating that of the bolts was applied at the bolt holes through the agency of steel balls and buttons.
螺栓荷载是用死荷重来模拟的，以钢球和压钮作为代用件，通过它们将此荷载施加于螺栓孔。
Open in Emergency: Under no control. The door can be opened even if the dead bolt is locked.
应急开启：不受任何控制，即使方舌反锁，也能开门。
International standard five-bolt structure: With the prying-resistant trigger bolt and indoor locking dead bolt for security and the mechanical key for emergency access;
国际标准五锁舌结构：有防撬保险舌和室内反锁大方舌，具机械钥匙应急开门；
International standard five-bolt structure: With the prying-resistant trigger bolt and indoor locking dead bolt for security and the mechanical key for emergency access;
国际标准五锁舌结构：有防撬保险舌和室内反锁大方舌，具机械钥匙应急开门；
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