By raising stress level in the condition of unchanging failure mechanism of combustion welding rod, failure data was acquired in very short time.
在不改变燃烧焊条失效机理的前提下，通过提高应力水平，在很短时间内得到焊条的失效数据。
Moreover, burn time to also affect the burnable full, combustion time is short hard full combustion.
另外，燃烧时间也影响燃烧的充分性，燃烧时间短就难以充分燃烧。
Computation shows that the spinning of SRM makes the pressure in combustion chamber high, action time short and the pressure descending stage long.
旋转和不旋转情况下的计算结果对比表明，旋转使发动机内压强增高，工作时间缩短，拖尾段加长。
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