中文翻译与英英解释 | 门链〔使门只开一定宽度的防盗装置〕。
| | | door: n. 1.门，户。 2.入口，门口；通道，门径，门路，关 ... | | chain: n. 1.链子，链条；项圈；表链。 2.连锁；连续，一系 ... | |
| 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. |
例句与用法 | 1. | For added protection , fit a high quality door guard or door chain and a wide angle viewer
若要加强保安，可安装优质防盗?或门扣，广角防盗眼也是不可缺少的。
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