试题与答案

流体输配管网水力计算常用的方法有:()、()和()。

题型:填空题

题目:

流体输配管网水力计算常用的方法有:()、()和()。

答案:

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参考答案:A解析:呼吸停止,最重要的是首先恢复呼吸道的通畅。

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