tongued-and-grooved joint

例句：

1. 1.The machine has a tongue-and-groove joint that allows it to fit together without any gaps.
   这台机器有一个带齿槽的连接处，它能够无缝对接。
2. 2. The car's suspension is designed with a tongue-and-groove joint for improved handling and ride comfort.
   汽车的悬挂系统设计有带齿槽的连接处，以提升操控性和乘坐舒适性。
3. 3. The engineer used a tongue-and-groove joint to connect the two pieces of metal together.
   工程师使用带齿槽的连接处将两块金属连接在一起。