[填空题]
A certain power plant puts out 550 MW pq:-j+bxhgqv 3y)n;d 9jv8 v dbdhc+f:a* l9nof electric power. Estimatesp97w y3 w5p jeqj; m,xnx)mg6 the heat discharged pe3mpw );5 , j qsnm7exy9pw6jgxr second, assuming that the plant has an efficiency of 38%. $MW$
