tongued and grooved flanges

例句：

1. 1. The new machine has a tongued and grooved flange thatmakes it easy to install.
   这台新机器有一个带齿和槽的法兰，使得安装变得容易。
2. 2. The constructionof the bridge required theuse of tongued and grooved flanges for structural integrity.
   桥梁的建设需要使用带齿和槽的法兰来确保结构完整性。
3. 3. The engineersused tongued and grooved flanges to connect the two pieces of metaltogether.
   工程师们使用带齿和槽的法兰将两块金属连接在一起。