retrorocket
常見例句
- The bottom unit consisted essentially of four landing struts equipped with a retrorocket to cushion the descent.
下節(jié)登月艙實(shí)際上是由四個登陸支柱和減速火箭所組成的,而減速火箭是在登陸時用來減低沖力的。 - High-Impulse Retrorocket System
高沖量制動火箭系統(tǒng) - retrorocket unit
制動火箭發(fā)動機(jī) 返回 retrorocket