fire insulation造句
例句與造句
- The defense in depth rule required electric power cables, which control reactor shutdown in an emergency, to have fire insulation that lasts one hour.
- When the planes hit the towers, they knocked out many internal and exterior support columns and dislodged much of the sprayed-on fire insulation that had protected the steel members.
- It's difficult to find fire insulation in a sentence. 用fire insulation造句挺難的