位于给水泵和锅炉（）之间的加热器称为（）加热器。
参考答案：省煤器、高压
— I'm sorry, I shouldn't have been so rude to you.
— You ______ your temper but that's OK. [ ]
A. have lost
B. had lost
C. did lose
D. were losing
192.168.0.158属于哪类IP地址______。
A．A类 B．B类C．C类 D．D类
