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问题 问答题 简答题

换热设备一般分为哪几类？

答案

参考答案：

换热器按传热特征可分为下 * * 类

⑴直接接触式（混合式）；

⑵蓄热式；

⑶间壁式。其中间壁式换热器是工业中应用最广泛的一类换热器。

解答题

万级上的数字一定比个级上的数字大．______（判断对错）
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单项选择题 共用题干题

An architectural style defines as a family of such systems in terms of a (1) of structural organization. More specifically, an architectural style defines a vocabulary of (2) and connector types, and a set of (3) on how they can be combined. For many styles there may also exist one or more (4) that specify how to determine a system's overall properties from the properties of its parts. Many of architectural styles have been developed over the years. The best-known examples of (5) architectures are programs written in the Unix shell.

空白（1）处应选择（）

A.pattern

B.data flow

C.business process

D.position level
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