powering FREQ #15775 [机] 动力估计 释义与例句 v. 1. present participle and gerund of power 相关短语 powering up powering down powering on powering off powering ahead power up [计] 加电 power down 电源休眠, 掉电；停电措施, 电源中断 power off 关机 power on （发动机）开车 power ahead phantom powering A-B powering