shrunk-and-rolled flange

例句：

1. 1.The new machine has a shrunk-and-rolled flange that makes it easier to install.
   这台新机器有一个缩径法兰，使得安装起来更容易。
2. 2. The engineer used a shrunk-and-rolled flange to connect the pipes together.
   工程师使用了一个缩径法兰来连接管道。
3. 3. The shrunk-and-rolled flange made it possible for the workers to work on the project without having to remove their gloves.
   这个缩径法兰让工人在没有脱掉手套的情况下也能进行工作。