双干式热量计 double dry calorimeter
泵浦车双干线供水 dual pumper operation
双干管系统 double-main system
干部双重管理体制 the system of dual administration of cadres ; system of dual control over cadres
双层担干 TWO LAYER YOKE
双干细胞 double stem cell
双滚筒干燥机 twin cylinder dryer ; double drum drier
双圈饼干 Pretzel
双层干燥机 two-deck drier
保持双手干净 Keep Your Hands Clean
外侧段有单干型和双干型。
甲状腺下静脉分单干、双干、三干的三种类型及吻合支均跨越气管颈部前面。
Inferior thyroid veins can be divided into such three types as single trunks, double trunks, three trunks and anastomotic branch and they all cross the front of the cervical part of the trachea.
奥尔加从医院回家后的第二天便又重操做鞋旧业，早晨六点便在长凳上干开了，每天做好两双鞋。
The day after Olga was released from the hospital she commenced making shoes again. At six in the morning she is at her bench; she knocks out two pairs of shoes a day.
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