1)megawatts day/metric ton,兆瓦日/公吨2)megawatt day/metric ton of metal (MWD/MTM),兆瓦日/公吨金属3)megawatt-day per ton,兆瓦日／吨4)megawatt-day per ton,兆瓦日/吨<能>5)megawatt-day per metric ton of uranium,兆瓦日/吨铀6)megawatt day/metric ton of metal,MWD/MTM,兆瓦日/公吨重金属(燃耗单位)