solid propellant binder

例句：

1. 1.The solid propellant binder is a critical component in the design of spacecraft engines.
   固体推进剂粘合剂是航天器发动机设计的关键组成部分。
2. 2. The solid propellant binder was developed to improve the efficiency of the rocket engine.
   固体推进剂粘合剂的开发旨在提高火箭发动机的效率。
3. 3.The solid propellant binder is used to bond the various components together during the manufacturing process.
   固体推进剂粘合剂用于在制造过程中将各种组件粘结在一起。