单词	rack guidance
释义	rack guidance un.齿条导承
随便看	recording demagnetization recording demagnetization loss recording demagnetization mechanism recording demand meter recording densitometer recording densitorneter recording density recording design sketch recording desk recording device recording device, seismic recording dew point hygrometer recording differential dilatometer recording differential manometer recording, digital recording dilatometer recording director recording disc recordingdisk recording disk recording-displaying magnet-head recording doppler comparator recording, double recording draft gage recording draft gauge