drag device造句
例句與造句
- In the section of his report on " Composite Entry ", Chapman described a solution to the problem using a high-drag device:
- The aircraft s structure was designed with the flexibility to accommodate carrier suitable landing gear, tailhook, drag devices, and other provisions for carrier operations.
- As the projectiles travel upward through the tower they are slowed down by electromagnetic drag devices that extract kinetic energy from the upgoing stream and turn it into electricity.
- The total heat absorbed by a lifting vehicle, however, is much higher than for a nonlifting vehicle . . . Nonlifting vehicles can more easily be constructed . . . by employing, for example, a large, light drag device . . . The larger the device, the smaller is the heating rate.
- .. . an evident composite type of entry, which combines some of the desirable features of lifting and nonlifting trajectories, would be to enter first without lift but with a . . . drag device; then, when the velocity is reduced to a certain value . . . the device is jettisoned or retracted, leaving a lifting vehicle . . . for the remainder of the descent . }}
- It's difficult to find drag device in a sentence. 用drag device造句挺難的