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3. (单选题) 用压力法测量开口容器液位时，液位的高低取决于（）。

A、 压力差和容器截面

B、 压力差和介质密度

C、 容器截面和介质密度

D、 介质密度和取压点位置

时间：2021-09-01 16:43 关键词：青书学堂平顶山学院化学化工仪表及自动化（专升本）

答案解析

B

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