Refrigerant 134a enters a diffuser steadily at 0.5 MPa, 50°C, and 120 m/s at a rate of 1.2 kg/s. The inlet area of the diffuser is
A、0.81 cm2;
B、4.8 cm2 ;
C、26 cm2;
D、 5.3 cm2;
E、100 cm2
发布时间：2025-03-07 14:09:10
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答案：4.8 cm2
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