俄罗斯的消息人士称，这将需要更多的试验工作以及资金来证明固体推进剂可以被安全地用于载人着陆。
Russian sources said that much more experimental work and funding would be required to prove that solid propellant could be safely used for a manned landing.
对燃料喷入时的燃烧室温度、压力及推进剂余氧系数等工作参数进行了试验研究。
The effect of the combustor temperature, pressure and coefficient of residual oxygen was experimentally investigated when the fuel was injected into the combustor.
然后将所测得的应力应变行为与经人工时效的推进剂拉伸试验测得的物理参数建立起相应的关系。
This measured stress strain behavior is then co-related with the physical properties measured by routine tensile tests of the similar type of propellant which is aged artificially.
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