tight-lock coupler

例句：

1. 1. The engineer used a tight-lock coupler to secure the bolts together.
   工程师使用一个紧固式连接器将螺栓固定在一起。
2. 2. The tight-lock coupler prevented the cable from slipping out of its socket.
   紧固式连接器防止了电缆从插座中滑出。
3. 3. The tight-lock coupler ensured that the joint was securely fastened.
   紧固式连接器确保了接头被牢固地固定。