A.647W B.746W C.764W D.1,000W
A.746kcal/hr B.860kcal/hr C.3,414kcal/hr D.1,000kcal/hr
A.252cal(卡路里) B.0.252kcal(千卡路里) C.1,055J(焦耳) D.以上皆是