Every oxidizer and the binder in the sponge around it make up a special binary propellant.

每颗氧化剂与其周围海绵层中粘合剂组成了特殊双元推进剂。

youdao

Every oxidizer and the binder in the sponge around it make up a special binary propellant.

每颗氧化剂与其周围海绵层中粘合剂组成了特殊双元推进剂。

youdao