喷淋式换热器有哪些主要部件？
参考答案：
喷淋式换热器主要部件有：管束，风机，水喷嘴，排水管，给水泵。
-______ How can we get to the Five-star Hotel?
-Go straight ahead till you see the tall building at the end of the road.
-Thanks very much.[ ]
A. Help!
B. Look out!
C. Excuse me.
D. How are you?
Your price is far ( ) our expectations.
A．from
B．away
C．of
D．beyond
