短语词组短语absolute watt -hour 绝对瓦watt -hour meter 电表，电度表；[电]瓦特小时计Watt -hour capacity [电]瓦时容量;翻译efficiency watt -hour 瓦特小时效率intelligent watt -hour 智能型电度表international watt -hour 国际瓦 返回 watt-hour