threaded end

例句：

1. 1. The machine has a threaded end that can be adjusted to fit different pipes.
   这台机器有一个可以调整以适应不同管道的螺纹端。
2. 2.The screwdriver has a threaded end that fits into the socket.
   螺丝刀有一个螺纹端，可以插入到插座中。
3. 3.The bolt has a threaded end that is used to secure the joint.
   螺栓有一个螺纹端，用于固定接头。