n. primer
misc. artillery primer
Because of the unrenewable shape changing of primer-9 after impacting by the pin, it will cracking under high pressure more easily.
击针撞击后的底-9底火底部以已产生不可恢复的形变，在膛压作用下很容易破裂，因此，在保证发火的情况下，应适当降低击针撞击深度。
参考来源 - 底火及其零部件的强度分析与模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
当海底火山将水下的岩石推到表面时，一个新的岛屿就形成了。
When an underwater volcano pushes submerged rock to the surface, a new island is created.
数百万年后，强大的地质力量，比如海底火山，会掀起海洋沉积物，形成新的陆地。
After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.
认为含矿岩系的物源主要来自海底火山喷发作用形成的黄铁矿化矿源层。
According to the study of the mineral evolving, origin analysis etc., it is considered that the source of minerals etc mainly comes from the pyritization sources of the submarine volcano eruption.
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