Ideal machines do not exist, but if they did, what would be their mechanical efficiency?
回答 (3)
2015-11-16 1:43 am
1
2015-11-15 9:43 pm
100%
2015-11-15 8:22 pm
100% AND NO LOSS.
收錄日期: 2021-05-01 20:33:37
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