搜索 - 科创

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是高压包出来线圈中心抽头出来的那个磁环么？额，那个还真不清楚，我们老师那里哪来的，直径的话外径在5角和1元硬币之间，内径略小于5角硬币。绕线圈数当时应该是25-30圈，这个是当时没注意没有严格按照图上...

恩～说的很对～之前有一台pvc的二手雕刻机～就发现了震动偏大精度低的问题可动龙门优点是y轴可以做的很大如若是.做成定龙门的话需要一个很大的固定基座.y轴的行程就做不大了我的的主要通途是雕刻木板不...

嗯，其实我的想法有点傻叉，其实不要那么麻烦现在的GPS导航那里拐弯红绿灯限速都有提示，我在想要是改造导航犬给车辆加上智能控制系统应该可以实现，在智能系统接受到卫星导航提示时智能系统开始控制车辆，...

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