短語詞組短語power back -off 功率廻退Power Shut -off 電源關(guān)斷;完全電源關(guān)斷;到完全電源關(guān)斷Power on -off 即電源開關(guān)power turn -off 斷電power cut -off 結(jié)束工作;同上;結(jié)束工作熄火rotor power take -off 轉(zhuǎn)子動力輸出power take -off drive 動力輸出傳動裝置rear power take -off 後方動力輸出 返回 power-off