breathing air pipe造句

例句与造句

1. Researchers suit up in anterooms with one-piece polyvinyl suits, helmets and two sets of gloves; in the laboratory they breathe air piped directly into their suits through a hose; and most lab benches are encased in transparent hoods for additional air filtration.
2. It's difficult to find breathing air pipe in a sentence. 用breathing air pipe造句挺难的