词汇	余晷
释义	余晷 yú guǐspare time餘晷
随便看	operating delay operating delays operating delay time operating department Operating departments operating depth operating depth sailing operating derrick operating desk operating device operating device for couplings operating deviceoperating mechanism operating devices operating diagram operating differantial subsidy operating differential operating differential subsidy operating-differential subsidy operating difficulties operating difficulty operating direction operating directive operating discharge operating discipline operating diskette