搜索 - 科创

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我第一次做火箭，不知道有关方面的知识。我想问一下有经验的人士。发动机只有这么一个小孔，燃料点燃后不会爆炸吗？我还想问一下引火线怎么做？

这个大家都熟悉……Steve的IGBT砖驱动电路。我很好奇，这个电路到底可以起到一个什么样的效果？驱动IGBT砖的方法和一般IGBT管有何不同？是需要更大的电流，还是？

我这本地有很多电台，而且频率是公开的，收听也是合法的。但是电台的type是motorola type II，格式是analog（模拟）。下面上几张图，大家有没有谁知道这是个什么电台？

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