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 Air-to-Air Combat直升机空中作战Helicopter Sonar Data Collection直升机声呐数据收集Helicopter Minesweeping Squadran直升机扫雷中队helicopter to the testing ground乘直升飞机去试验场helicopter power line inspection直升机巡线Helicopter in-Flight Refueling直升机空中加油helicopter blade dynamic balance直升机桨叶动平衡试验helicopter-mounted broadcaster飞机种子撒播机Helicopter Mounted Laser Weapons直升机载激光武器Helicopter Inflight Spray System直升机空中喷洒系统

1. Police and helicopter rescue crews were at the scene within minutes.
   警方和直升机救援队伍于数分钟内赶抵现场。