CMDB propellant

例句：

1. 1. The rocket's engine requires a specific type of propellant to operate efficiently.
   火箭发动机需要特定类型的推进剂才能高效运行。
2. 2.The aviation industry heavily relies on CMDB propellants for their aircraft engines.
   航空业严重依赖CMDB推进剂为其飞机引擎提供动力。
3. 3. The chemical engineers carefully mixed the CMDB propellant to achieve the desired performance.
   化学工程师们仔细混合了CMDB推进剂，以实现期望的性能。