A.0.428 B.0.478 C.0.526 D.0.617

练习题库2022-08-02  46

问题 A.0.428B.0.478C.0.526D.0.617

选项 A.0.428
B.0.478
C.0.526
D.0.617

答案 B

解析 ρw=(ρ+d)0.833/(0.833+d)=0.478kg/m3
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