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电子工程师请注意了,请教一个初级问题。

forex (我认为)
有一个灯,希望用两个开关来控制,其中一个开关只能把灯打开,而另一个只能把灯关闭。用最简单的方法,如何实现?多谢多谢。
(#331177@0)
2002-1-11 -04:00
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