Door chain
英：[dɔ: tʃein] 美： [dɔr tʃen]
Door chain 基本解释
释义门链，安全门链；
英英释义
Door chain
A door chain, security chain, or security door chain consists of a small chain attached to the door frame, which attaches to a track on the door for security purposes. It is a type of lock that is often used along with other types of locks to secure a door.以上来源于:Wikipedia
Door chain 相关例句
权威例句
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