It is difficult to turn over in a hammock.在吊床上翻身很困难.We anchored the hammock to the tree.我们把吊床牢牢地系在树上.We swung the hammock between two trees.我们摇晃着挂在两树之间的吊床....
附设液压夹持器,并配以手动御扣装置,使拆御钻杆更方便.Equipped with hydraulic holder and hand powered unscrewer, to untighen the drill rod easily.多指多关节机器人柔性手因能改善现有夹持器的不足而受关注.Owing to being able to improve robot grippers, multifingered articulated ...