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公交车在来来往往地穿梭/我上去了/也许不是我的本意/它向前开着/又一站一站地停下/我下来了/一个落雨的驿站/一杯清淡的咖啡/小憩时等待着下一站的征途/行行止止/没有感知和方向/我不知道/这驿站在那遥远的地方/是否有一个美丽的童话/只是不知名的人儿载着我驶向生命的远方

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Motors 是把电能转换成机械能的设备，它是利用通电线圈在磁场中受力转动的现象制成，分布于各个用户处，电动机按使用电源不同分为… 阅读全文 0 人评论

xilinxue 同步直线电动机 2009/11/12 12:49:55

同步电动机的原理同步电动机是属于交流电机，定子绕组与异步电动机相同。它的转子旋转速度与定子绕组所产生的旋转磁场的速度是一… 阅读全文 1 人评论

根据产气量要求，一定规格的电机配置相应规格型号的机头在行业内是有标准的。有个别厂家为了降低成本，往往会出现配置小机头的情… 阅读全文 0 人评论

三相电机线圈绕法可分:单层同心式,单层交叉式,单层链式,双式链式,而端接可分为头接头,尾接尾;头接尾,尾接头.而单相电动机线圈绕法可分:… 阅读全文 0 人评论

说得通俗uln2003相当于继电器的作用，例如7个继电器的一端连某电压[也即uln2003电源电压]（<50）在一起，而另一端作为则作为输出，… 阅读全文 0 人评论

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