recirculating air flow造句

例句与造句

1. A recirculating air flow path resulted from the warm ( less-dense ) air rising in a south-side solarium, and cooler ( denser ) air falling on the north side to create pressure differentials that automatically moved excess solar thermal gain from the south to the north side of the building without forced convection systems.
2. It's difficult to find recirculating air flow in a sentence. 用recirculating air flow造句挺难的