() Which of the following can be used as a side outlet can also be used as a lower outlet?
A . double louver tuyere
B . Under the type of diffuser
C . Ventilated floor
D . Spout
Answer: A
() Which of the following can be used as a side outlet can also be used as a lower outlet?
A . double louver tuyere
B . Under the type of diffuser
C . Ventilated floor
D . Spout
Answer: A