1千克力·米/秒(kgf·m/s)= 9.80665瓦(w)
1米制马力(hp)= 735.499瓦(W)
1卡/秒(cal/s)=4.1868瓦(W) 1英热单位/时(Btu/h)= 0.293071瓦(W)
1千瓦(kW)= 3.6×10^6焦耳(J)/小时(h)
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