0.1x24x30=72kwh,find $x/kwh(<$0.15),u'll know it.
所有跟帖:
• 300瓦是額定功率,並不是實際工作負載 -德州老外- ♂ (88 bytes) () 08/24/2006 postreply 08:05:47
• 300瓦是額定功率,並不是實際工作負載 -德州老外- ♂ (88 bytes) () 08/24/2006 postreply 08:05:47
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