stack draft造句

例句与造句

1. Throughout the years, many different products such as stack draft fans, kiln cooling fans, and quick disconnect plugs were all manufactured.
2. The stack draft ( pressure difference between air intake and air exit ) in the furnace, which is what pulls the flue gas through the convection section.
3. It's difficult to find stack draft in a sentence. 用stack draft造句挺难的