propellants [prə'pelənts]

例句:

• Solid propellants have higher density--and therefore thrust.
  来自SA
• 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.
  
• 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。
  
• 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.
  
• Scientists measure the efficiency of rocket propellants by what is termed vehicle specific impulse.
  来自SA
• Unfortunately, propellants that have high specific impulse do not have high-density or high-thrust properties and vice versa.
  来自SA