helicoptersn.直升机名词helicopter的复数形式.helicoptern.直升飞机vt.用直升飞机载送vi.乘直升机Helicopter Towed Array Support直升机拖曳式阵列支援Helicopter Night Vision System直升机夜视系统Helicopter Experimental Medium中型实验性直升(飞)机Helicopter Operational Trainer直升机操作训练器Helicopter Installed Equipment直升机安装设备Helicopter Element Coordinator直升机小队协调官Helicopter Coordination Center直升机协调中心helicopter powerline inspection直升机巡线Helicopter Ship Missile-Armed装备导弹的直升机Helicopter Night Landing System直升机夜间着陆系统