helicopter liferaft
直升机空投式救生筏
means to identify inflatable liferaft
识别气胀式救生筏办法
identification system for inflatable liferaft
气胀式救生筏识别系统
davit launched inflatable liferaft
可吊型气胀式救生筏
inflatable liferaft fittings
气胀式救生筏舾装件
Helicopters dropped supplies for the stranded villagers.
直升飞机给受困的村民空投了物资.
Drinking water for survival craft
GB8244-1987救生艇筏饮用水
maximum height for survival craft
救生艇筏最大存放高度
Setting down boats (rafts) to carry out lifesaving rehearsal;
放艇（筏）进行救生演习；
A helicopter or other aircraft used for such transport.
救伤直升机,救伤飞机用来运送伤员之直升机或其他飞机
Research on Helicopter Airspeed Measuring System Based on Embedded System;
嵌入式直升机空速测试系统的研究与设计
helicopter aerodynamics
直升飞机空气动力学
China save sb.’s life ,give first aid ,lifesaving mechanism will buy helis!
救助,救命界机构类将可能购买直升飞机！
the large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air.
单转子直升飞机上的大的旋转机翼，能够产生拉力使直升飞机升入空中。
Rescue boat davit (life raft davit) to be done static (dynamic) loading test.
救助艇架（救生筏吊架）静（动）负荷试验。
Escape baskets slung from them dangle beside the building for people to climb into.
从直升机中抛出的救生篮在大楼旁摇摆，人们可以爬到里面去。
Navy rescue swimmer Shad Hernandez was lowered into the water by a rope.
海军救生员谢德·赫尔南德兹用一根绳子从直升机上吊落到海水里。
then you saw a lifeboat full of children with a helicopter hovering over it.
下一个镜头是一艘救生艇装满了孩子有架直升飞机在头顶上盘旋。