a pipe wrench的用法和样例：
- I'm as expert as a palsy victim doing brain surgery with a pipe wrench.
- The businessman, enraged at being discovered, attacked the company serviceman with a pipe wrench and beat him badly.
- NOTE: DO NOT USE A PIPE WRENCH TO REMOVE THE RELIEF VALVE ASSEMBLY FROM THE BACKFLOW PREVENTER.
- Pass me a pipe wrench, please.
- A pipe or channel by which liquid is drawn off.
- A pipe for carrying off water or sewage.