hand-held devices是什么意思

hand-held devices是什么意思 hand-held 的意思是什么? hand-held refraactometer是什么呀!仪器 Held the upper hand hand-held programmer是什么意思? hand-held是什么意思 英语翻译Be it AVL solutions that track excessive vehicle idle times,hand held devices that track locations of mobile workers and allow for location stamped digital time cards or asset tracking devices that monitor high value unattended materials human inter face devices 是什么 class for one devices是什么 class for one devices是什么 Canadian Medical Devices Regulations这是什么规定? was held 是什么时态 在这句许中held She held out her right hand and opened her palm! Division of general,restorative and neurological devices 这是什么部门? ATI Technologies Inc./ Advanced Micro Devices,Inc.是什么? left-hand scale 是什么? green hand是什么 hand的中文是什么