screw tow bar

例句：

1. 1. Thecar was fixed by the mechanic with ascrew tow bar.
   汽车被技工用螺丝杆修好了。
2. 2. He used a screwtow bar to hold the door shut.
   他用螺丝杆把门关上了。
3. 3. Thetool is made of stainless steel and hasa screw tow bar for easy installation.
   这个工具是用不锈钢制成的，有一个螺丝杆便于安装。