1.
helicopter flight dynamics
直升飞机飞行动力学
2.
To travel by helicopter or transport(someone or something) by helicopter.
用直升飞机乘直升飞机飞行或用直升飞机运载（人或物）
3.
A place for helicopters to land and take off.
直升飞机场用于直升飞机着陆或起飞的地方
4.
helicopters and parking apron equipment;
直升飞机及停机坪设备；
5.
helicopter rigid frame system
直升飞机机身硬架系统
6.
It was not long before a helicopter arrived on the scene,
不久，一架直升飞机飞抵飞机失事现场，
7.
A jet flies much faster than a helicopter.
喷气飞机比直升飞机飞得快得多。
8.
helicopter autopilot
直升飞机自动驾驶仪
9.
Another helicopter was shot down.
又一架直升飞机被击落。
10.
HELP (Helicopter Electronic Landing Path )
直升飞机电子着陆系统
11.
A helicopter is used to install a guide wire.
直升飞机用来设置导线。
12.
helicopter aerodynamics
直升飞机空气动力学
13.
He suggests to take the journey by helicopter.
他建议乘直升飞机旅行。
14.
To go or transport by helicopter.
乘直升飞机前往或旅行
15.
You have flied in a helicopter, have not you ?
你坐过直升飞机，对吗?
16.
the operating radius of a helicopter.
直升飞机的作战半径
17.
intermeshing rotors helicopter
交叉旋翼式直升飞机
18.
Specializing in helicopter, general and commercial aircraft parts.
专营直升飞机、用和商用飞机配件。