The Charismatic Charlie Wade
Porter asked curiously, “Explosive bolts? What is that for?”
Hugo said, “It’s used in multi-stage rockets in aerospace. To put it bluntly, a three-stage rocket is where three rockets are connected together. When launching, the first-stage rocket ignites first. After reaching a certain altitude, the fuel of the first-stage rocket is consumed and needs to be separated from the second-stage rocket quickly when it’s almost done. The second-stage rocket will then quickly ignite and continue flying. However, the rocket’s connection requirements are also very strong, and its rapid detachment must be completed in an instant. Therefore, aerospace scientists invented explosive bolts. To put it bluntly
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