试题与答案

下列不属于按被控变量分类的是（）A、液位控制系统 B、压力控制系统 C、流量控制系统

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题型：单项选择题

题目：

下列不属于按被控变量分类的是（）

A、液位控制系统

B、压力控制系统

C、流量控制系统

D、比例控制系统

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D

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