排顺序。

( ) No, they aren't.

( ) One hundred.

( ) Your farm is so big. Are they sheep?

( ) They're goats.

( ) What are they?

( ) How many goats do you have?

由于脱硫塔预洗段中多成分的气体各组分间相互影响，所以预洗段的洗涤效果比较好。