propellants造句
        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.
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.