By 1978, in the USA, the use of CFCs in aerosol propellants was banned.美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。This law closely resembles that obtained with conventional propellants.这种规律非常类似于用普通推进剂所得出的规律.The lighter version used liqu...
The lighter version used liquid hydrogen, the heavier used hypergolic propellants.较轻的推进器采用液态氢, 较重的采用自燃推进剂.Pressure - fed engines are particularly susceptible to dissolved gas in the propellants.挤压 式 发动机对推进剂中溶解的气体特别敏感.Thi...
I forgot to set my alarm and I overslept.我忘了定闹钟,结果睡过了头。The inference I’ve drawn from his lateness is he overslept.从他来晚我得出的结论是他睡过头了。I'm really sorry I'm late, Andrew. I forgot to set my alarm and I overslept.安德鲁...
Beer and Qingdao, having the lot that indissoluble It'seems that.啤酒与青岛, 似乎有着不解的缘分.The practice of Intel is fresh and let us indissoluble.英特尔的做法是新鲜而又让我们不解的.Very indissoluble, ask why he is willing so project oneself....
The denunciator of success is the only legitimate executioner of the fall.只有控诉过胜利的人才有权裁判失败.That's a perfectly legitimate fear...怀有这种恐惧完全在情理之中。They had a legitimate grievance.他们的抱怨是合乎情理的。The threat of bankruptcy is a...