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。
单词拼写。
1. The small boy can only _____ (数) to ten.
2. To my _____ (惊讶), my mum comes back so early.
3. Wang Ping tries to _____(表演) at my birthday party.
4. They are watching a _____(网球) match on TV.
5. Do you enjoy _____(划) a boat?
下列哪项是CK的变异体（）
A．巨CK1
B．CK-MB
C．CK-MM
D．巨CK2
E．CK-BB
