Handoko汉多科handn.手；协助；手艺v.给；传Hand.n.汉德（英文姓）hand-operated rail saw手拉钢轨锯hand brake cross-shaft手闸横轴hand-eye vision system多足机器人handsaw bow of base meta贱金属制手锯架hand gesture recognition手势识别hand held electric drill手持式电钻,手提电钻hand-directional valve手动换向阀hand-shake transceiver信号交换收发器hand direction indicator手动示向器hand-held OA equipment手持式办公自动化设备