supposedly, it was developed by nasa as a solid rocket fuel.
据说,这种东西最早是由NASA作为固体火箭燃料而研发的。
Study on Improving Technological Properties of Solid Fuel SQ Formulation Used in Solid-Liquid Hybrid Rocket
固液混合火箭用固体燃料SQ型配方工艺性能改善研究
the shuttle orbiter is visible on the image right, attached to a brown liquid fuel tank and two white solid rocket boosters .
在影像右侧可以看到航天飞机,它连接着一个灰色的液体燃料箱以及两枚白色的固体火箭推进器。
Solid propellant is fuel and core part of solid rocket motor.
固体推进剂是固体火箭发动机的燃料,为其核心部分.
But once a solid-fuel rocket is ignited, it is off like a firework and keeps going until all the fuel is burned up.
但是一旦固体燃料火箭发动机被点燃,它将象二踢脚一样发射出去并一直跑,直到全部燃料烧完为止。
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