A twistlock or twist lock, together with matching corner castings, as defined in norms including ISO 1161:1984, form a standardized (rotating) connector system, for connecting and securing intermodal, and predominantly ISO-standard international shipping containers.

扭锁和角件，根据ISO1161:1984的定义，形成标准化(旋转)连接器系统，用于连接和固定多式联运，主要用于固定ISO标准的国际航运集装箱。

Twist locks fasten the containers onto the trailer firmly by connecting with corner castings of the container.

扭锁通过与集装箱角铸件连接，将集装箱牢固地固定在拖车上。