After a short, ballistic flight to about 40 feet (12 metres) altitude, the rocket, which was not equipped with a recovery system, landed nose-first in the frozen ground.
Conclusion Three-recovery capsule can improve immigrants' manual work efficiency at high altitude.
结论服用三康胶囊能明显提高高原移居青年的体力作业效率。
3
Environmental conditions have special requirements of power recovery for aeroengine in high altitude, while supercharger technology is an important measure of the aeroengine's power recovery.