英语翻译Composite propellants form a heterogeneous propellant grain with the oxidizer crystals and a powdered fuel held together in a matrix of synthetic rubber binder such as HTPB.
问题描述：
英语翻译
Composite propellants form a heterogeneous propellant grain with the oxidizer crystals and a powdered fuel held together in a matrix of synthetic rubber binder such as HTPB.
答
复合推进剂形成异质推进剂药柱与氧化剂晶体,如HTPB在合成橡胶粘合剂基质结合在一起粉状燃料.