较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.这个工厂为弹道导弹生产推进剂。The factory produces propellant for ballistic missiles.挤压 式 发动机对推进剂中溶解的气体特别敏感.Pressure - fed engine...
Their name comes from South Africa's Afrikaans language and means " earth pig. "他们的名字源于南非的荷兰语意思是 “ 泥猪 ”.Afrikaans, Dutch, English, Flemish, and German are the more important languages within the West germanic groupi...
She ripped off her dress and let it fall to the floor.她一把扯下连衣裙,任其滑落到地上。Do you wear your old clothes until they fall to pieces?你一直穿你的旧衣服,直到穿烂了为止吗?The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氐度....