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樓主  發(fā)表于: 2015-06-30 15:08
我要做一個(gè)鉆孔機，要求么個(gè)鉆頭多要有上下位信號，只有所有鉆頭多到位才會(huì )有輸出，那位大師有什么好方法呢 ？急用謝謝

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