Origin of the principle:
360 BC, an invention, the pigeon of Archytas it was moved to and fro by steam blowing out from small exhaust ports at either end.
逻辑关系
1. 比较
in reaction to the backward discharge of bullets, the gun, and hence the boat, move forwards
the reaction to the ejection of these small particles causes the rocket to move forwards
it was moved to and fro by steam blowing out from small exhaust ports at either end
【雅思阅读辅导:火箭弹的工作原理】相关文章:
★ 雅思阅读的关键词
最新
2016-02-26
2016-02-26
2016-02-26
2016-02-26
2016-02-26
2016-02-26