機械效率和功率

    機械效率和功率

    jixiegonglvshibiaoshijixiezuogongkuaimandewuliliang，erxiaolvshibiaoshijixiezainengliangliyonglvgaodifangmiandewuliliang。gonglvdadejixie，xiaolvbuyidinggao。liru

，zhengqijichedegonglvbimotuochedegonglvda，danzhezhongjichedexiaolvquebimotuochedexiaolvdi。gonglvhexiaolvshihubuxiangguan、hubuyilaidewuliliang。tongyijixiedegonglvkebian，danxiaolvshibubiande。duiyumougejixielaishuo，mingpaidoubiaoyoutadezuidashuchugonglv。shiyongshibudechaoguozhegeshuzhi，dantabuyidinggongzuozaizheyigonglvshang，yincichangjiangjixiezaimouyishikedeshunshigonglvhuomouduanshijianneidepingjungonglv，chengweijixiedeshijigonglv。