原有的單位要換算成的單位應乘以pounds磅kilograms千克(公斤)0.453 592pounds磅tons噸4.53592×10-4long hundredweights長擔kilograms千克50.802 345short hundredweights短擔kilograms千克45.359 237long tons長噸kilograms千克1 016.046 9long tons長噸tons噸1.016 046 9short tons短......（本文共 469 字）     [閱讀本文] >>