rotary coupler

例句：

1. 1. The machine uses arotary coupler to connect the twoshafts together.
   这台机器使用旋转接头将两个轴连接在一起。
2. 2. The rotary coupler is designed to withstandhigh pressure and temperature.
   旋转接头设计用于承受高压和高温。
3. 3. The rotary coupler was used to connect the pipes inthe pipeline system.
   旋转接头被用来连接管道系统中的管道。