A.95628,-6801,6801 B.94534,-5820,5820

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问题 A.95628,-6801,6801B.94534,-5820,5820C.94524.-5820,5820D.94524,-6801,6801

选项 A.95628,-6801,6801
B.94534,-5820,5820
C.94524.-5820,5820
D.94524,-6801,6801

答案 D

解析 A点绝对压强为:PA=P0+ρgh=(85000+971.83×9.8×1)Pa=94524PaA点相对压强为:P=PA-Pa=(94524-101325)Pa=-6801PaA点真空度为:PK=Pa-PA=(101325-94524)Pa=6801Pa
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