["每日一тест №1题】2218年1月1日
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本帖最后由 绿莲花 于 2215--1-15 15:26 编辑 祴大家新年快乐！好运天天来！ 【每日一тест №第一题】
【每日一题 第1题】2019年1月1日 前反馈控制属于开环控制。 判断题（错误） 请在两日内作答。
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