hand on依次传递
handn.手;协助;手艺v.给;传Hand.n.汉德(英文姓)
handgrip for backstroke start仰演泳出发握手器
Hand-held patrol instrument掌上巡检仪
hand - held electric drills手持式电钻
Hand in your activity book.把活动手册交上来。
hands over bridge engineering立交桥工程
hand welding electrode holder手工焊接电焊把
handheld reading meter device手持抄表器
hands-and-clothes monitor手衣放射性污染监测仪