kw hr

英 美
  • n.千瓦小时
  • hr 赫莲娜(HelenaRubinstein);人力资源(HumanResources);心率(heartrate);
  • kw abbr.千瓦(=kilowatt)
名词 kw-hr:
  1. a unit of energy equal to the work done by a power of 1000 watts operating for one hour