例句與造句

1. If there is no cleanout plug, you will have to dismantle the trap.
2. If that does not work, enter the trap through the cleanout plug at the bottom of the trap.
3. Q . There is a cleanout plug in the four-inch iron pipe in my basement that leads to the septic tank.
4. It's difficult to find cleanout plug in a sentence. 用cleanout plug造句挺難的