A、<span style="font-size:16px;font-family:宋体">压力差和容器截面</span>
B、<span style="font-size:16px;font-family:宋体">压力差和介质密度</span>
C、<span style="font-size:16px;font-family:宋体">容器截面和介质密度</span>
D、<span style="font-size:16px;font-family:宋体">介质密度和取压点位置</span>
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