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abcd123580
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樓主  發(fā)表于: 2018-12-26 11:35
圖片：
圖片：
像這種齒輪測速用傳感器用普通的接近開(kāi)關(guān)不行么？看某寶上賣(mài)的是高速齒輪傳感器，不也是接近開(kāi)關(guān)的原理么？有什么區別么？
威331122
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1樓  發(fā)表于: 2018-12-26 15:51
反應速度吧

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