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用什么传感器可以区分牛奶，水，盐水和白醋啊？ |
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He who fights with monsters should look to it that he himself does not become a monster, when you gaze long into the abyss, the abyss also gazes into you.
过于执着就会陷入其中，迷失自己，困住自己。 |
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发表于 2019-8-7 09:04:39
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