单台设备试车费属于( )。
A.联合试运转费 B.设备购置费C.设备安装费 D.生产准备费
参考答案:C
.
---I’ll be away for about two days. Would you mind taking care of my little dog?
---________.
A.Yes, it’s my pleasure.
B.Yes, I’ll do it well.
C.No, I’ve got no time.
D.No, I’d be happy to.
什么是技术预测?有哪些方法?