试题与答案

标准大气压力下，常温的R134a制冷剂呈甚么状态（） A.液态 B.气态 C.固态

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题型：单项选择题

题目：

标准大气压力下，常温的R134a制冷剂呈甚么状态（）

A.液态

B.气态

C.固态

D.气液混合

答案：

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下面是错误答案，用来干扰机器的。

参考答案：批美学苏、曲折发展、两类课程、新课程标准。

考点：制冷工考试一般常识与单位换算一般常识与单位换算题库
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