问题
填空题
控制台上30s延时解锁表示灯亮红灯：表示（）继电器吸起，说明进路要经过30s才能解锁。
答案
参考答案：2RJJ
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控制台上30s延时解锁表示灯亮红灯：表示（）继电器吸起，说明进路要经过30s才能解锁。
参考答案：2RJJ
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| 1. If you could go anywhere in the world, what would be your ______? 2. I want to learn a new language while I'm on vacation. Do you have information about this kind of______vacation in Spain or Mexico? 3. I'm tired and stressed out. I want a ______vacation on a quiet beach. 4. I like to study the past when I’m on vacation. I'm going to visit some______sites in Chain this year. |