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Êý¾ÝÖն˻ú data terminal¶àÈÎÎñÊý¾ÝÖն˻ú data terminal; multiplex
Êý¾ÝÊÕ·¢Æ÷ data transceiver
Êý¾ÝʹÓÃʶ±ðÆ÷ data use identifier
Öç¹âµÆ daylight lamp
·Ö±´¼Æ db meter; decibel meter
Ö±Á÷µçÁ÷¼Æ dc ammeter
Ö±Á÷·Å´óÆ÷ dc amplifier
Ö±Á÷ÉýѹÆ÷ dc booster
Ö±Á÷Õý·´Æ÷ dc flip-flop
Ö±Á÷µç¶¯»ú£»Ö±Á÷Âí´ï dc motor
Ö±Á÷µçλ¼Æ dc potentiometer
Ö±Á÷·øÉä¼Æ dc radiometer
Ö±Á÷ËÅ·þµç¶¯»ú£»Ö±Á÷ËÅ·þÂí´ï dc servo-motor
Ö±Á÷תËÙ¼Æ dc tachometer
µÂÀÍßÀëÐÄ»ú De Laval centrifuge
²»°ÚµçÁ÷¼Æ£»²»°Ú¼ìÁ÷¼Æ dead-beat galvonometer
ëձÏûÒôÆ÷ deadener; felt
ÖØÂ밲ȫ·§ deadweight safety valve
Ê®½øµçÇÅ decade bridge
Ê®½øµç×èÏä decade resistance box
ÇãÎöÆ÷ decanter
¼õËÙ·§ deceleration valve
¼õËÙÆ÷ decelerator
¼õËÙ¼Æ decelerometer
·Ö±´¼Æ decibel meter; db meter
Ê®½øÖƼÆËãÆ÷ decimal computer
·ÖÃײ¨²â¸ß¼Æ decimetric height finder
ÒëÂëÆ÷ decoder
´®¼¶ÒëÂëÆ÷£»¼¶ÁªÒëÂëÆ÷ decoder; cascade
²ÊÉ«[ÐźÅ]ÒëÂëÆ÷ decoder; color
Ö½´øÒëÂëÆ÷ decoder; paper-type
¹¯Æë·Ö½âÆ÷ decomposer; amalgam
¼õѹÆ÷ decompressor
¼õŨÆ÷ deconcentrator
Ïû¶¾Æ÷ decontamination apparatus
ÓÔ²ÊÒ¤ decorating kiln
È¥ÒÒÍéËþ deethanizer
³ÎÇåÆ÷ defecator
·ÅÆø·§ deflation valve
Õ۹⾵ deflecting roundel
ƫתµçλ¼Æ deflection potentiometer
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