ullage space造句

例句与造句

1. On the ground, the space between the top of the propellant load and the top of the tank is known as " ullage space ".
2. Towards the end of the 20th century, more produces began switching to oak barrels while maintaining the tradition of not topping up the barrels and filling in the ullage space.
3. It's difficult to find ullage space in a sentence. 用ullage space造句挺难的