smoke tube superheater造句

例句与造句

1. The smokebox superheater installed on the first machines was soon replaced by a smoke tube superheater.
2. On the first few engines, a smokebox superheater was installed, but the design this was changed during the first year in favour of a Schmidt smoke tube superheater.
3. It's difficult to find smoke tube superheater in a sentence. 用smoke tube superheater造句挺难的