试题与答案

常压下空气温度为25℃时,其声速度为()m/s。 A.330 B.335 C.340

题型:单项选择题

题目:

常压下空气温度为25℃时,其声速度为()m/s。

A.330

B.335

C.340

D.345

答案:

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