您要查找的是不是:
- small rocket lift device 小型火箭升降装置
- They mounted a small rocket on top of a V-2 rocket. 他们在V-2火箭的上面安装了一个小火箭。
- The craft may have its own small rocket engines for orienting and maneuvering. 该机器可以有它自己的小型火箭发动机来定位和发动。
- Ten minutes to go before the rocket lifts off. 重型轰炸机慢慢起飞了。
- Twenty minutes to go before the rocket lifts off . 离火箭升空还有20分钟。
- Twenty minutes to go before the rocket lifts off. 离火箭升空还有20分钟。
- The lifting device is a system of rope and pulley. 这种起重装置是由缆索和滑轮组成的。
- The rocket lifted off from the launching pad. 那支火箭从发射台腾空而起。
- The rocket lifted off from its launching pad. 火箭从发射台上发射出去。
- A column of smoke is established with a small rocket then photographed to determine movement of the trail. 烟柱是由一个小火箭放出的,然后摄影技求出烟迹的运动。
- The Royal Experimental Society has selected volunteers Tom and Jerry to blast off to the moon in a rather small rocket. 汤姆与杰利被选中月球之旅,但是火箭发射失败掉落至海底。他们与海底世界的生物以及美人鱼渡过了美好的盛宴。
- The lifting device is a system of ropes and pulleys. 这种起重装置是由缆索和滑轮组成的.
- In the cockpit of every jet fighter is a brightly painted lever that, when pulled, fires a small rocket engine underneath the pilot’s seat, blowing the pilot, still in his seat, out of the aircraft to parachute safely to earth. 每个喷气战机的座舱中都有一个眼色鲜艳的操纵杆,当拉动时就会启动一个飞行员座椅的火箭引擎将飞行员连同其座椅一起弹射出座舱,通过降落伞安全的降落在地面上。
- Optional components: lifting device, project strobes, as well as lighting. 选用件:起重作业装置,工程频闪灯,照明灯等均可。
- Give him a lift: he's too small to see anything. 把他抱起来; 他人矮,什麽也看不见。(《牛津高阶英汉双解词典》)
- Reducers, brakes and other lifting devices. 减速器、制动器等起升装置。
- An H2-A rocket lifts off from a launching pad at the Tanegashima Space Center in Kagoshima Prefecture, Japan. 一枚H2-A型火箭从日本鹿儿岛的种子岛空间中心火箭发射场发射升空。
- The Introduction of a New Air Lift Device 一种新型气提装置的介绍
- In one lecture Lewin rides a tricycle powered by a fire extinguisher to demonstrate how a rocket lifts off. 在某堂课上,莱温骑了一台由灭火器提供动能的三轮车示范火箭如何升空;
- Impulsive loads for structural tests have been generated by explosive cartridges or by small rockets. 人们曾用过弹药筒的爆炸或用小型火箭来产生结构试验所需的脉冲荷载。